Science 9 respiratory system epic ppt by aj dawat
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The respiratory system allows for breathing and the exchange of oxygen and carbon dioxide throughout the body. It is made up of the lungs, which are the main organ, as well as the nostrils, pharynx, larynx, trachea, bronchi, bronchioles, and alveoli. Oxygen enters the body through the nostrils and is transported through the respiratory tract to the alveoli in the lungs, where it passes through membranes into the bloodstream and is circulated throughout the body by the circulatory system. The diaphragm and chest muscles help draw air in and out of the lungs during breathing.
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Circulatory system
The circulatory system helps control blood flow throughout the body using the heart, veins and arteries. It works with the respiratory system to oxygenate blood in the lungs and remove carbon dioxide. Key components include the heart which pumps blood, the aorta which is the largest artery, veins which carry blood toward the heart, and arteries which carry blood away from the heart.
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This document provides information about human respiratory system and gas exchange. It discusses that humans require a specialized respiratory surface like lungs due to decreasing surface area to volume ratio with increasing size. The document describes the structure and functioning of lungs including gas exchange in alveoli. It also compares respiration in humans, insects and fish and discusses effects of smoking on lungs.
Respiratory system
The respiratory system collects oxygen and releases carbon dioxide. Air enters through the nose and mouth then travels through the trachea and bronchi, which divide into bronchioles ending in alveoli. The alveoli are surrounded by capillaries that exchange oxygen and carbon dioxide through the thin alveolar walls. Oxygen is absorbed into the bloodstream and carried throughout the body by arteries while carbon dioxide is absorbed and travels through the bronchioles, bronchi, trachea and out through the mouth and nose. The diaphragm and rib muscles help draw air in and push it back out through inhalation and exhalation.
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The document provides an overview of the circulatory system. It defines the circulatory system and discusses the two main types: open and closed. It also describes the components of blood and their functions. Additionally, it examines the heart structure and the two circulatory pathways - pulmonary and systematic circulation. The pulmonary circuit carries deoxygenated blood to the lungs and returns oxygenated blood to the heart, while the systematic circuit provides oxygenated blood to the body and returns deoxygenated blood to the heart.
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The document discusses the key parts of the respiratory system and how breathing works. It notes that oxygen enters the body through the nose or mouth into the trachea, which divides into two tubes leading to each lung. In the lungs, oxygen passes through capillaries into the blood while carbon dioxide passes back out. The diaphragm is an involuntary muscle that contracts to create space for air to enter the lungs during inhalation.
Circulatory system
The circulatory system consists of the heart and blood vessels that maintain continuous blood flow around the body. The heart is a hollow, muscular organ located in the chest behind the sternum. It has four chambers - two upper atria and two lower ventricles. Blood vessels include arteries, which carry blood away from the heart; capillaries, which connect arterioles and venules; and veins, which carry blood back to the heart. There are two circulatory loops - systemic circulation provides oxygenated blood to the body through arteries and deoxygenated blood back to the heart through veins, while pulmonary circulation carries deoxygenated blood from the heart to the lungs and returns oxygenated blood to the heart.
Circulatory system
The circulatory system consists of the heart, blood vessels, and blood. It contains two circuits - the pulmonary circuit which pumps blood to the lungs to receive oxygen and the systemic circuit which pumps oxygenated blood to the entire body. Exercise causes the heart to pump faster, allowing for longer exercise. The circulatory system transports oxygenated and deoxygenated blood throughout the body and lungs.
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The circulatory system helps control blood flow throughout the body using the heart, veins and arteries. It works with the respiratory system to oxygenate blood in the lungs and remove carbon dioxide. Key components include the heart which pumps blood, the aorta which is the largest artery, veins which carry blood toward the heart, and arteries which carry blood away from the heart.
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This document provides information about human respiratory system and gas exchange. It discusses that humans require a specialized respiratory surface like lungs due to decreasing surface area to volume ratio with increasing size. The document describes the structure and functioning of lungs including gas exchange in alveoli. It also compares respiration in humans, insects and fish and discusses effects of smoking on lungs.
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The respiratory system collects oxygen and releases carbon dioxide. Air enters through the nose and mouth then travels through the trachea and bronchi, which divide into bronchioles ending in alveoli. The alveoli are surrounded by capillaries that exchange oxygen and carbon dioxide through the thin alveolar walls. Oxygen is absorbed into the bloodstream and carried throughout the body by arteries while carbon dioxide is absorbed and travels through the bronchioles, bronchi, trachea and out through the mouth and nose. The diaphragm and rib muscles help draw air in and push it back out through inhalation and exhalation.
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The document provides an overview of the circulatory system. It defines the circulatory system and discusses the two main types: open and closed. It also describes the components of blood and their functions. Additionally, it examines the heart structure and the two circulatory pathways - pulmonary and systematic circulation. The pulmonary circuit carries deoxygenated blood to the lungs and returns oxygenated blood to the heart, while the systematic circuit provides oxygenated blood to the body and returns deoxygenated blood to the heart.
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The document discusses the key parts of the respiratory system and how breathing works. It notes that oxygen enters the body through the nose or mouth into the trachea, which divides into two tubes leading to each lung. In the lungs, oxygen passes through capillaries into the blood while carbon dioxide passes back out. The diaphragm is an involuntary muscle that contracts to create space for air to enter the lungs during inhalation.
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The circulatory system consists of the heart and blood vessels that maintain continuous blood flow around the body. The heart is a hollow, muscular organ located in the chest behind the sternum. It has four chambers - two upper atria and two lower ventricles. Blood vessels include arteries, which carry blood away from the heart; capillaries, which connect arterioles and venules; and veins, which carry blood back to the heart. There are two circulatory loops - systemic circulation provides oxygenated blood to the body through arteries and deoxygenated blood back to the heart through veins, while pulmonary circulation carries deoxygenated blood from the heart to the lungs and returns oxygenated blood to the heart.
Circulatory system
The circulatory system consists of the heart, blood vessels, and blood. It contains two circuits - the pulmonary circuit which pumps blood to the lungs to receive oxygen and the systemic circuit which pumps oxygenated blood to the entire body. Exercise causes the heart to pump faster, allowing for longer exercise. The circulatory system transports oxygenated and deoxygenated blood throughout the body and lungs.
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This document describes the key parts and functions of the human respiratory system. It explains that air enters through the nose, where nasal hairs and mucus trap dust and pollutants. The air is warmed and humidified before passing through the pharynx, larynx, trachea, bronchi and bronchioles to reach the alveoli in the lungs where gas exchange occurs. Oxygen is absorbed into the bloodstream while carbon dioxide is released. The lungs and chest cavity are lined by pleura and breathing is facilitated by the diaphragm. The respiratory and digestive systems work together to provide oxygen and glucose for cellular respiration. Some common respiratory disorders are also outlined.
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This document discusses the human respiratory system and the process of respiration. It describes the major organs of the respiratory system, including the nose, pharynx, larynx, trachea, bronchi, bronchioles and alveoli. It explains that the respiratory system allows for the intake of oxygen and removal of carbon dioxide. The document outlines the two phases of breathing - inspiration and expiration. It also discusses gas exchange that occurs between the blood and alveoli, and lists some common malfunctions and diseases of the respiratory system like asthma, bronchitis, emphysema and pneumonia.
Respiratory system
The respiratory system allows for the exchange of gases in the body. It includes the nose, mouth, throat, trachea, bronchi, lungs, diaphragm and alveoli. The lungs and alveoli work to exchange oxygen and carbon dioxide between the air and blood. Common respiratory disorders include asthma, bronchitis, emphysema and pneumonia which can involve inflammation or infection of the lungs, bronchi or alveoli.
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The human respiratory system functions to exchange oxygen and carbon dioxide through breathing. When inhaling, air enters through the nose and mouth and travels through the pharynx, larynx, trachea, bronchi and into the lungs. In the lungs, the air moves into smaller bronchioles and terminates in alveoli where gas exchange occurs between inhaled oxygen and exhaled carbon dioxide through diffusion across membranes.
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The circulatory system transports blood throughout the body using the heart, blood vessels, and blood. The heart pumps blood through arteries, veins, and capillaries, which carry oxygen, nutrients, waste, and carbon dioxide between tissues and organs. The circulatory system includes pulmonary circulation from the heart to the lungs, coronary circulation through the heart tissue itself, and systemic circulation from the heart to the rest of the body except the lungs.
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The document provides an overview of the respiratory and circulatory systems and how they work together. It discusses how:
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2) The lungs take in oxygen and release carbon dioxide through the process of breathing, which is facilitated by the movement of the diaphragm and ribs.
3) The respiratory and circulatory systems work interdependently, with the respiratory system obtaining gases and the circulatory system distributing them, to fulfill their shared function of gas exchange.
Respiratory system and circulatory system working together with other organs
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Humans and other vertebrates have a closed blood circulatory system:
This system consists of
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series of blood vessels
the blood that flows through them.
This means that circulating blood is pumped through a system of vessels.
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The circulatory system carries blood and substances throughout the body using the heart and blood vessels. The heart pumps deoxygenated blood to the lungs and oxygenated blood to the rest of the body through arteries. Blood flows through veins back to the heart. It is composed of plasma, red blood cells that carry oxygen, white blood cells that fight disease, and platelets that help blood to clot.
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The circulatory system transports nutrients, water, oxygen, and waste throughout the body using blood, blood vessels, and the heart. Oxygen-rich blood is carried from the heart to body cells via arteries and returns to the heart via veins as oxygen-poor blood. The heart pumps blood in two separate circuits - the pulmonary circulation transports blood to the lungs to receive oxygen and the systemic circulation transports oxygenated blood to all body tissues before returning to the heart.
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This document discusses the human respiratory system and the process of respiration. It describes the major organs of the respiratory system, including the nose, pharynx, larynx, trachea, bronchi, bronchioles and alveoli. It explains that the respiratory system allows for the intake of oxygen and removal of carbon dioxide. The document outlines the two phases of breathing - inspiration and expiration. It also discusses gas exchange that occurs between the blood and alveoli, and lists some common malfunctions and diseases of the respiratory system like asthma, bronchitis, emphysema and pneumonia.
Respiratory system
The respiratory system allows for the exchange of gases in the body. It includes the nose, mouth, throat, trachea, bronchi, lungs, diaphragm and alveoli. The lungs and alveoli work to exchange oxygen and carbon dioxide between the air and blood. Common respiratory disorders include asthma, bronchitis, emphysema and pneumonia which can involve inflammation or infection of the lungs, bronchi or alveoli.
Circulatory system
The circulatory system transports blood containing oxygen and nutrients throughout the body using blood vessels and the heart. The circulatory system consists of blood, blood vessels, and the heart. Blood is made of plasma, red blood cells, white blood cells, and platelets. Red blood cells carry oxygen and carbon dioxide, white blood cells protect against infection, and platelets form blood clots to stop bleeding. Arteries carry oxygenated blood from the heart while veins return deoxygenated blood to the heart. Capillaries connect arteries and veins to deliver blood to tissues. The heart is a hollow muscle with four chambers that pumps blood through the circulatory system around 60-100 times per minute, increasing during exercise to meet higher
3 just go with the flow
The human respiratory system functions to exchange oxygen and carbon dioxide through breathing. When inhaling, air enters through the nose and mouth and travels through the pharynx, larynx, trachea, bronchi and into the lungs. In the lungs, the air moves into smaller bronchioles and terminates in alveoli where gas exchange occurs between inhaled oxygen and exhaled carbon dioxide through diffusion across membranes.
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The circulatory system transports blood throughout the body using the heart, blood vessels, and blood. The heart pumps blood through arteries, veins, and capillaries, which carry oxygen, nutrients, waste, and carbon dioxide between tissues and organs. The circulatory system includes pulmonary circulation from the heart to the lungs, coronary circulation through the heart tissue itself, and systemic circulation from the heart to the rest of the body except the lungs.
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The document discusses the respiratory system and the process of breathing. It describes how breathing takes in oxygen and removes carbon dioxide. It lists the respiratory systems of different living things like fish, amphibians, plants and worms. It then focuses on the human respiratory system, describing how breathing in and out works through the movement of the ribs, diaphragm and lungs. It details the path air takes through the nose, windpipe, bronchi and alveoli where oxygen passes into blood vessels and carbon dioxide passes out of blood vessels and into the air sacs.
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The document summarizes the process of gas exchange in the human respiratory system. It describes the major organs involved, including the lungs, diaphragm, ribs, larynx, trachea, bronchi, bronchioles, and alveoli. It explains how breathing in and out works via the contraction and relaxation of the intercostal muscles and diaphragm. The roles of ciliated cells and mucus in protecting the lungs are also outlined. Finally, it provides details on the composition differences between inspired and expired air.
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The document provides an overview of the respiratory and circulatory systems and how they work together. It discusses how:
1) The respiratory system brings oxygen into the body and removes carbon dioxide through breathing. The circulatory system then transports these gases throughout the body.
2) The lungs take in oxygen and release carbon dioxide through the process of breathing, which is facilitated by the movement of the diaphragm and ribs.
3) The respiratory and circulatory systems work interdependently, with the respiratory system obtaining gases and the circulatory system distributing them, to fulfill their shared function of gas exchange.
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lesson for grade 9 science
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The circulatory system consists of the heart, blood vessels, and blood. The heart pumps blood through the blood vessels, which include arteries, veins, and capillaries. The heart has four chambers and beats in a cycle of systole and diastole. Blood carries oxygen, nutrients, hormones and other substances throughout the body via two circuits - pulmonary circulation from the heart to the lungs and systemic circulation from the heart to the rest of the body. Maintaining a healthy circulatory system requires regular exercise, a balanced diet, avoiding smoking, and stress management.
04 1 - respiration in plants and animals
The document discusses gas exchange in plants and animals. In plants, gas exchange occurs through roots, leaves, and stems. Roots use root hairs, while leaves and stems use stomata. In animals, gas exchange requires an internal transport system. The simplest systems use diffusion or ingestion of fluids in unicellular and small multicellular organisms. More complex animals have open circulatory systems where blood bathes cells directly, or closed circulatory systems where blood is enclosed and pumped in vessels. Closed systems are seen in earthworms, fish, amphibians using lungs and skin, and birds and mammals using lungs and a four-chamber heart to prevent blood mixing.
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Humans and other vertebrates have a closed blood circulatory system:
This system consists of
the heart (pump),
series of blood vessels
the blood that flows through them.
This means that circulating blood is pumped through a system of vessels.
Functions of Human Blood Circulatory System
1. oxygen
2. carbon dioxide
3 nutrients
4. water
5. ions
6. hormones
7. antibodies
8. metabolic wastes
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The respiratory system allows for gas exchange in the body. It begins with the nostrils, where air enters and exits the nasal cavity to be warmed. The pharynx and larynx allow air to pass to the trachea and then bronchi, where air flows into the lungs. The lungs, located in the chest, have lobes and facilitate breathing, respiration, and protection from infection. Inhalation draws oxygen into the lungs through muscle contraction and exhalation removes carbon dioxide as a waste product.
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This document discusses the key parts and functions of the respiratory system. It describes the two phases of breathing - inspiration and expiration. During inspiration, the diaphragm contracts and intercostal muscles raise the ribs, allowing air rich in oxygen to enter the lungs. During expiration, the reverse occurs and air rich in carbon dioxide exits the lungs. The document also outlines respiratory volumes like tidal volume and vital capacity. It explains the role of the nose, pharynx, larynx, trachea, bronchi and lungs in respiration and the process of gas exchange that occurs through external and internal respiration.
Circulatory System
The circulatory system carries blood and substances throughout the body using the heart and blood vessels. The heart pumps deoxygenated blood to the lungs and oxygenated blood to the rest of the body through arteries. Blood flows through veins back to the heart. It is composed of plasma, red blood cells that carry oxygen, white blood cells that fight disease, and platelets that help blood to clot.
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Respiratory system and circulatory system working together with other organs
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Anatomy & Physiology Lecture Notes - Respiratory system
Anatomy & Physiology Lecture Notes - Respiratory system
Chemistry - Chp 9 - Chemical Names and Formulas - PowerPoint
Chemistry - Chp 9 - Chemical Names and Formulas - PowerPoint
Grade 9 Module 1, Lesson 1.1: Volcanoes (Teacher's Guide for Discussion)
Grade 9 Module 1, Lesson 1.1: Volcanoes (Teacher's Guide for Discussion)
Similar to Science 9 respiratory system epic ppt by aj dawat
Respiratory system
The respiratory system consists of the nose, pharynx, larynx, trachea, bronchi and lungs. The nose, pharynx, larynx, trachea and bronchi work like a system of pipes to funnel air into the lungs. In the lungs, oxygen is brought into the bloodstream in small air sacs called alveoli while carbon dioxide is removed from the blood and pushed out of the body. When something goes wrong with the respiratory system, such as an infection, it makes it harder to get oxygen and remove carbon dioxide, causing common symptoms like breathlessness, cough and chest pain.
Human respiration
Human respiration involves breathing in oxygen and breathing out carbon dioxide. The respiratory system includes the nose, pharynx, larynx, trachea, bronchi, bronchioles, and alveoli. In the alveoli, oxygen from the air diffuses into blood capillaries and carbon dioxide from the blood diffuses out, allowing for gas exchange. Respiration is essential for providing oxygen to cells and removing carbon dioxide waste.
Animal Physiology (Respiration)
This document summarizes respiration in animals. It begins with an overview of the topics to be covered, including the anatomy of the respiratory system, external respiration (gas exchange between the lungs and environment), and internal respiration (gas exchange between blood and body tissues). It then defines respiration and describes the modes. The anatomy section details the structures of the airways, lungs, and respiratory muscles. External respiration involves inhaling oxygen and exhaling carbon dioxide between the lungs and air. Internal respiration is gas exchange between blood in the pulmonary capillaries and tissues via diffusion. The cycle of respiration continuously supplies oxygen to tissues and removes carbon dioxide.
Animal physiology(Respiration)
Respiration with details about anatomy of respiratory organ , types of respiration,mode of action and transport of gases in man.
4156692.ppt
The respiratory system includes the nose, nasal cavities, pharynx, epiglottis, larynx, trachea, bronchi tubes, bronchioles and alveoli. Air enters the nose and is filtered and warmed before reaching the lungs. In the lungs, oxygen diffuses into the bloodstream in the alveoli and carbon dioxide diffuses out. The diaphragm and rib muscles enable inhalation and exhalation through contraction and relaxation. Breathing is controlled involuntarily by the brain in response to carbon dioxide and oxygen levels.
The respiratory system by Sami
The respiratory system obtains oxygen from the air and transports it to cells via respiration. Oxygen diffuses into the lungs and blood, while carbon dioxide diffuses out of the blood and into the air. The blood then transports gases between the lungs and body tissues via internal respiration. Key components include the nasal cavity, pharynx, larynx, trachea, bronchi, bronchioles and alveoli where gas exchange occurs through thin epithelial walls. Hemoglobin transports oxygen in the blood and facilitates diffusion in tissues through factors like pH and temperature changes.
2013 respiratory system pdf
The respiratory system brings oxygen into the body and removes carbon dioxide through a series of organs including the nose, pharynx, larynx, trachea, bronchi, bronchioles and alveoli. Air enters the nose and mouth, and is transported through the respiratory tract to the alveoli where gas exchange occurs through diffusion. The diaphragm and rib muscles work together to inhale and exhale air during breathing.
Respiration in animals.
Respiration.
Types of respiration.
Various modes of respiration in animals.
Human respiratory system.
Upper respiratory tract.
Nose.
Pharynx.
Larynx.
Lower respiratory tract.
Trachea.
Bronchi and bronchioles.
Lungs.
Mechanism of respiration.
Exchange of gases.
Functions of respiratory system.
RESPIRATORY-SYSTEM_THE-MECHANISM-OF-BREATHING.pdf
The document describes the human respiratory system. It begins by outlining the lesson objectives which are to trace the path of air through the body, describe the organs and their functions, and explain how lungs work during breathing. It then provides details about the main parts of the respiratory system including the airways of the mouth, nose, sinuses, pharynx, trachea, bronchi, and lungs. It also describes the muscles and bones involved including the diaphragm and ribs. Other components discussed are the lung lobes, pleura, cilia, bronchioles, alveoli, capillaries, epiglottis, and larynx. The document concludes with an activity tracing the journey of air through
ANATOMY & PHYSIOLOGY of r...
This document provides an overview of the human respiratory system. It describes the key parts and their functions, including the airways that bring air into the lungs (nose, mouth, pharynx, larynx, trachea, bronchi), the lungs themselves, and the diaphragm and rib muscles used for breathing. The respiratory system provides oxygen to cells and removes the waste carbon dioxide. It works closely with the circulatory and digestive systems to support cellular respiration.
Chapter 1 respiration
The human respiratory system consists of the nose, trachea, bronchi, bronchioles and alveoli. Air enters through the nose and is warmed and filtered before reaching the lungs. In the lungs, oxygen diffuses into the blood in the alveoli and carbon dioxide diffuses out. Oxygen is carried through the bloodstream bound to hemoglobin and is released to tissues where it is used for cellular respiration. Carbon dioxide moves from tissues back to the lungs to be exhaled.
Breathing, Respiration and Human Respiratory System
The respiratory system provides oxygen to the body and removes carbon dioxide. It includes the nose, larynx, trachea, bronchi, bronchioles, lungs, diaphragm, and alveoli. The trachea branches into bronchi which branch further into bronchioles ending in alveoli where gas exchange occurs. Breathing is the physical process of inhaling and exhaling air through the lungs. Respiration is the chemical process where oxygen is used to break down glucose to generate energy in cells. While breathing occurs in the lungs, respiration occurs in cells. Common respiratory diseases include asthma, bronchitis, lung cancer, pneumonia, and COPD.
Design of artificial respiratory model
Design of Artificial Respiratory Model.. Know about the respiratory system.
The respiratory system consists of the upper respiratory tract (nasal passages), the airway conduction system (larynx, trachea, bronchi, bronchioles and terminal bronchioles), and the lower respiratory tract (alveolar ducts and alveoli). Not all segments of the respiratory system mature at the same pace. The olfactory epithelium matures earliest by PND 7. The lung, however, is not considered mature until PND 21, when alveolarization and microvascular maturation are complete. This chapter will discuss the embryological development (briefly), adult histomorphology, and postnatal histologic development of each major component of the respiratory system.
1 GNM - Anatomy Unit - 6 Respiratory System.pptx
By: M. Thiru murugan
Unit – 6:
The structure and functions of respiratory organs
The physiology of respiration
Characteristics of normal respiration and deviation
Respiratory system
The respiratory system is the one of vital organs that involve in respiration
Play important role in the intake and exchange of O2 and CO2 .
The respiratory system performs two major tasks:
Exchanging air between the body and the outside environment known as external respiration.
Bringing O2 to the cells and removing CO2 from them referred to as internal respiration.
Parts of respiratory system
Upper respiratory tract: (outside thorax)
Nose
Nasal Cavity
Pharynx
Larynx
Nose:
Also called external nares.
Divided into two halves by the nasal septum.
Contains the paranasal sinuses where air is warmed.
Contains cilia which is responsible for filtering out foreign bodies.
Pharynx:
Common space used by both the respiratory and digestive systems. Commonly called the throat.
Start from the nasal and oral cavities and extends inferiorly near the level of the bifurcation of the larynx and esophagus.
There are 3 types:
Nasopharynx
Oropharynx
Laryngopharynx
Larynx:
Voice box is a short, cylindrical airway - ends in the trachea.
Prevents swallowed materials entering into the lower respiratory tract.
It Passes air into the lower respiratory tract.
Produces sounds.
Supported by cartilage help to held in place by ligaments and muscles.
Voice is produced by vibration of the vocal folds or vocal cords. The vocal folds are a pair of pliable shelves of tissue that stretch across the top of the trachea (windpipe). They are enclosed within the thyroid cartilage. The vocal folds, together with the muscles and cartilages that support them, are known as the larynx.
Biologically, the larynx evolved as a valve to protect the airway and lungs. Thus, it is positioned where the airway and the esophagus separate. The vocal folds open to allow breathing and close during swallowing to prevent food from entering into the lungs and during voicing.
Trachea:
A flexible tube also called windpipe.
Extends through the mediastinum and lies anterior to the esophagus and inferior to the larynx.
Cartilage rings help the trachea to remains open at all times.
Bronchus:
The two large tubes that carry air from your windpipe to your lungs.
Left and right main bronchus in each lung.
Each bronchus divided into bronchioles
Lung:
Each lung has a conical shape. Its wide, concave base rests upon the muscular diaphragm.
Its superior part called the apex
Both lungs are supported anteriorly by thoracic wall, laterally, and posteriorly by the rib cage.
Mediastinum
Left lung: divided into 2 lobes by, smaller than the right lung & cardiac notch accommodates the heart
Right lung: divided into 3 lobes by, located more superiorly in the body due to liver on right side
Pleura:
The outer surface of each lung covered by a layer called pleura.
The outer - parietal pleura & the internal - visceral pleura.
Respiratory system
The respiratory system is made up of organs involved in the exchange of oxygen and carbon dioxide. It includes the nose, mouth, throat, voice box, windpipe, lungs, and the processes of inhalation and exhalation. The upper respiratory tract comprises the nose, nasal cavity, sinuses and larynx while the lower respiratory tract is made up of the lungs, bronchi and bronchioles, and alveoli. Respiration can be aerobic, using oxygen to produce energy, or anaerobic, producing energy without oxygen. Common respiratory diseases include asthma, bronchitis, pneumonia and tuberculosis.
L1 Respiratory System.pptx
The respiratory system is responsible for breathing, gas exchange internally and externally. It obtains oxygen from the air and removes the waste product carbon dioxide from the body. The key parts include the nose, nasal passages, pharynx, larynx, trachea, bronchi, bronchioles and alveoli. Oxygen travels through these parts with the nose serving to warm, clean and moisten inhaled air before it reaches the alveoli in the lungs where gas exchange occurs.
Respiratory system
The respiratory system allows for gas exchange between the lungs and cells of the body. It includes the nose, pharynx, larynx, trachea, bronchi, bronchioles, lungs and alveoli. The nose and pharynx warm and humidify inhaled air before it reaches the lungs. In the lungs, oxygen passes from the alveoli into the bloodstream and carbon dioxide passes out. This allows for cellular respiration to occur.
respiratory system new seminar(anatomy).pptx
The document summarizes the key components and functions of the respiratory system. It describes the organs that make up the upper respiratory tract (nose, nasal cavity, sinuses, pharynx) and lower respiratory tract (larynx, trachea, bronchial tree, lungs). It explains how the lungs receive oxygen and remove carbon dioxide through gas exchange that occurs in the alveoli. Finally, it outlines the two phases of breathing - inhalation which draws air into the lungs, and exhalation which allows air out through movements of the diaphragm and ribs.
1st science 12 describes the function of each respiratory organ
The document describes the parts and functions of the respiratory system. It discusses the upper respiratory tract including the nose, mouth and throat and their functions of warming, filtering and moistening air. It then discusses the lower respiratory tract including the lungs, bronchi, trachea and their functions of gas exchange and transporting air. It also describes how the ribs, rib cage and diaphragm protect the lungs and how the lungs are made up of bronchi, bronchioles and alveoli where gas exchange occurs through capillaries.
Similar to Science 9 respiratory system epic ppt by aj dawat (20)
Breathing, Respiration and Human Respiratory System
Breathing, Respiration and Human Respiratory System
1st science 12 describes the function of each respiratory organ
1st science 12 describes the function of each respiratory organ
Science 9 respiratory system epic ppt by aj dawat
- 1. 9 Neutron - Group #1
- 2. • DEFINITION: • Respiratory system - is the set of organs that allows a person to breathe and exchange oxygen and carbon dioxide throughout the body. • Lungs – main organ • Oxygen = GOOD • Carbon Dioxide = WASTE
- 3. • MAIN PARTS OF THE RESPIRATORY SYSTEM AND THEIR FUNCTIONS:
- 4. 1) Nostrils - are involved in air intake - Tiny hairs called Cilia filters out dust and other particles present in the air and protects the nasal passage and other regions of the respiratory tract. 2) Pharynx - Cone - shaped passageway leading from the oral and nasal cavities in the head to the esophagus and larynx 3) LARYNX - the hollow muscular organ forming an air passage to the lungs and holding the vocal cords in humans and other mammals - Also known as the voice box 4) Trachea - also known as windpipe. - The trachea filters the air we inhale and branches into the bronchi.
- 5. 5) Bronchi - The bronchi are the two air tubes that branch off from the trachea and carry atmospheric air directly into the lungs which branch off into narrower tubes called Bronchioles. 6) Bronchioles - tinier, narrower tubular air passages that lead to the Alveoli 7) Alveoli - are tiny air sacs found on the bronchioles where the exchange of gases take place. - *blood – carrying capillaries* - Oxygen dissolves through a membrane and is absorbed by the blood in these capillaries (attaches to the red blood cells) which then goes off to the circulatory system.
- 7. 8) Diaphragm - a dome - shaped muscle located at the bottom of the lungs - When we breathe in, the diaphragm contracts and pull downward. Due to this movement the space in the lungs increases and pulls air into the lungs. - When we breathe out, the diaphragm expands and reduces the amount of space for the lungs and forces air out. - *REFER BACK TO THE PREVIOUS GROUP ACTIVITY :3*
- 8. • How does the Respiratory System work? How does Oxygen enter our body?
- 10. • Importance and Relevance of the Respiratory System to the Circulatory System
- 11. Next PPT: CIRCULATORY SYSTEM