Respiratory system
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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 the pleura and breathing is facilitated by the diaphragm. Cellular respiration requires oxygen and glucose to produce energy for the body.
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Respiratory System
The respiratory system is made up of organs that help oxygen enter the body and carbon dioxide leave the bloodstream. Air enters through the nose or mouth and passes through the pharynx and trachea into the lungs. In the lungs, the trachea branches into bronchi which branch further into bronchioles and tiny air sacs called alveoli. The alveoli are surrounded by capillaries and it is at this site that oxygen diffuses into the bloodstream and carbon dioxide diffuses out through very thin cellular walls. The diaphragm and rib muscles help draw air in and out of the lungs during breathing.
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The respiratory system begins with the nose and mouth, where inhaled air is filtered and warmed. The pharynx directs air into the trachea, which divides into bronchi and further branches into bronchioles and alveoli within the lungs. The alveoli are surrounded by capillaries, and their thin walls allow for oxygen to diffuse into the bloodstream and carbon dioxide to diffuse out. The diaphragm and rib muscles aid inhalation and exhalation by expanding and contracting the chest cavity.
Respiratory system
The document discusses the respiratory system and gas exchange. It covers the parts of the respiratory system like the trachea, bronchi, bronchioles and alveoli. It describes how breathing works through the contraction of muscles like the diaphragm and intercostal muscles. Gas exchange occurs through diffusion across the alveoli and capillary walls in the lungs. Oxygen is transported by hemoglobin in the blood and carbon dioxide is transported as bicarbonate ions and dissolved in plasma. Conditions like smoking, emphysema and cystic fibrosis are also summarized.
Chapter 1 Respiration
The document summarizes respiration and the process of gas exchange that occurs in the lungs. It describes how oxygen diffuses from alveoli into the bloodstream and is transported throughout the body, while carbon dioxide diffuses in the opposite direction. It also discusses the harmful effects of air pollutants like cigarette smoke, explaining how substances like tar and nicotine can damage the lungs and lead to diseases such as emphysema, lung cancer, and heart disease.
Respiratory System, by Saliha Rais
the presentation "Respiratory System", was prepared for grade VI. it is according to the syllabus of Usman Public School System, Pakistan.
Gas exchange
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.
RESPIRATORY SYSTEM IN HUMANS
The human respiratory system is a series of organs responsible for taking in oxygen and expelling carbon dioxide. The primary organs of the respiratory system are the lungs, which carry out this exchange of gases as we breathe.
In humans, the average breathing, or respiratory rate, mostly depends on age. A newborn's normal breathing rate is about 40 to 60 times each minute and may slow to 30 to 40 times per minute when the baby is sleeping. The average resting respiratory rate for adults is 12 to 16 breaths per minute, and up to 40 to 60 breaths per minute during exercise.
Human Respiratory System
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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Respiratory System
The respiratory system is made up of organs that help oxygen enter the body and carbon dioxide leave the bloodstream. Air enters through the nose or mouth and passes through the pharynx and trachea into the lungs. In the lungs, the trachea branches into bronchi which branch further into bronchioles and tiny air sacs called alveoli. The alveoli are surrounded by capillaries and it is at this site that oxygen diffuses into the bloodstream and carbon dioxide diffuses out through very thin cellular walls. The diaphragm and rib muscles help draw air in and out of the lungs during breathing.
Together421
The respiratory system begins with the nose and mouth, where inhaled air is filtered and warmed. The pharynx directs air into the trachea, which divides into bronchi and further branches into bronchioles and alveoli within the lungs. The alveoli are surrounded by capillaries, and their thin walls allow for oxygen to diffuse into the bloodstream and carbon dioxide to diffuse out. The diaphragm and rib muscles aid inhalation and exhalation by expanding and contracting the chest cavity.
Respiratory system
The document discusses the respiratory system and gas exchange. It covers the parts of the respiratory system like the trachea, bronchi, bronchioles and alveoli. It describes how breathing works through the contraction of muscles like the diaphragm and intercostal muscles. Gas exchange occurs through diffusion across the alveoli and capillary walls in the lungs. Oxygen is transported by hemoglobin in the blood and carbon dioxide is transported as bicarbonate ions and dissolved in plasma. Conditions like smoking, emphysema and cystic fibrosis are also summarized.
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The document summarizes respiration and the process of gas exchange that occurs in the lungs. It describes how oxygen diffuses from alveoli into the bloodstream and is transported throughout the body, while carbon dioxide diffuses in the opposite direction. It also discusses the harmful effects of air pollutants like cigarette smoke, explaining how substances like tar and nicotine can damage the lungs and lead to diseases such as emphysema, lung cancer, and heart disease.
Respiratory System, by Saliha Rais
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Gas exchange
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.
RESPIRATORY SYSTEM IN HUMANS
The human respiratory system is a series of organs responsible for taking in oxygen and expelling carbon dioxide. The primary organs of the respiratory system are the lungs, which carry out this exchange of gases as we breathe.
In humans, the average breathing, or respiratory rate, mostly depends on age. A newborn's normal breathing rate is about 40 to 60 times each minute and may slow to 30 to 40 times per minute when the baby is sleeping. The average resting respiratory rate for adults is 12 to 16 breaths per minute, and up to 40 to 60 breaths per minute during exercise.
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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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Respiratory System
> what is respiration
>how many steps involved.
> types of respiration
>organs involved in respiration
> how it works
> applications
Respiratory System
The respiratory system takes in oxygen and removes carbon dioxide through breathing. Breathing is controlled by the diaphragm muscle contracting and relaxing. Air enters the nose and is warmed and filtered before reaching the lungs. In the lungs, bronchioles branch into alveoli where gas exchange occurs and oxygen enters the blood while carbon dioxide leaves. The respiratory and circulatory systems work together to maintain homeostasis in the body.
Breathing and Exchange of Gases
This document summarizes the human respiratory system. It describes the major organs involved including the nasal passages, pharynx, larynx, trachea, bronchi, and lungs. It explains the process of breathing including inspiration initiated by diaphragm and intercostal muscle contraction, and expiration through relaxation of these muscles. It also discusses gas exchange, transport of oxygen and carbon dioxide in the blood, regulation of respiration, and some common respiratory disorders like asthma and emphysema.
Dean r berry human body respiratory system
The respiratory system enables oxygen to travel from the air we breathe into our lungs and then into our bloodstream. Air enters through the nose or mouth and travels down the trachea into the lungs. In the lungs, oxygen passes into the bloodstream and is circulated throughout the body while carbon dioxide is removed from the blood and exhaled. Problems with the respiratory system can interfere with this process and deprive tissues of oxygen.
Oxygen through the Respiratory System
Lenny is an oxygen molecule that travels through the respiratory and circulatory systems of the body. He is breathed in through the mouth and travels down the trachea to the lungs. In the alveoli, Lenny passes through the alveoli walls and capillary walls into the bloodstream. He is then transported by red blood cells to cells throughout the body where he produces energy. After producing energy and carbon dioxide, Lenny is picked up by blood cells and returned to the lungs to be breathed out.
Gas exchange in animal
The document discusses gas exchange in different organisms. It explains that gas exchange is the process by which oxygen and carbon dioxide are exchanged between an organism's respiratory surface and the surrounding environment or fluid. It then provides examples of gas exchange in various organisms like earthworms, fish, birds, mammals/humans, amphibians, and insects. Earthworms exchange gases through their skin, fish use countercurrent exchange in their gills, birds use air sacs and lungs, and mammals inhale through the nose and exhale through the mouth via the trachea and lungs. Amphibians can exchange gases through their skin and lungs, and insects have a tracheal system to directly deliver air to cells.
Topic 5.5 gas exchange
Gas exchange occurs in two sites: (1) the alveoli where oxygen diffuses into the blood and carbon dioxide diffuses out, and (2) the tissues where oxygen diffuses into cells and carbon dioxide out. Ventilation maintains concentration gradients across the alveoli by airflow replacing oxygen and removing carbon dioxide, allowing diffusion down concentration gradients. The ventilation system includes the trachea, bronchi, bronchioles and over 600 million alveoli with a large surface area and short diffusion distances to facilitate gas exchange.
Ppt respiratory system- physiology
The respiratory system uses two types of respiration - internal and external. External respiration involves the exchange of gases between the external environment and cellular respiration, occurring through bulk transport via breathing and gas exchange in the lungs and blood circulated by the heart. Organisms use different respiratory structures depending on whether they reside in water or air, such as gills for fish and lungs for air-breathing organisms.
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The document describes the anatomy and physiology of the respiratory system. It discusses the upper and lower respiratory tract, including the nasal cavity, pharynx, larynx, trachea, bronchi, lungs, and alveoli. Gas exchange occurs across the respiratory membrane in the alveoli. Lung volumes such as tidal volume, vital capacity, and functional residual capacity are defined. Pulmonary function tests assess obstructive and restrictive lung diseases. The carbonic acid buffer system helps regulate blood pH during respiration.
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The document summarizes key aspects of the respiratory system. It describes how respiratory surfaces maximize gas exchange through thin membranes with large surface areas. It explains how terrestrial animals evolved internal lungs and trachea to efficiently obtain oxygen on land. It also discusses the roles of alveoli, partial pressures, hemoglobin, and countercurrent exchange in facilitating gas exchange in fish, humans, and other organisms.
42-circulation-text-and gas exchange
The document summarizes circulation and gas exchange in organisms. It discusses how unicellular organisms directly exchange with their environment while multicellular organisms need specialized exchange systems like circulatory systems. It describes different circulatory systems seen across invertebrates and vertebrates, from simple gastrovascular cavities to open and closed circulatory systems. The mammalian circulatory system is discussed in detail, outlining the pathway of blood flow through the heart in double circulation and how the heart's rhythmic pumping is controlled.
4.1 Respiratory System
The respiratory system is made up of organs and structures that help move oxygen into the body and carbon dioxide out. Air enters through the nose and mouth, where it is warmed and filtered before passing through the pharynx and larynx into the trachea. The trachea branches into bronchi that lead to the lungs, where oxygen is exchanged in the alveoli and carbon dioxide passes back into the bloodstream. The respiratory system works with the circulatory system to provide oxygen to cells for cellular respiration and remove carbon dioxide and water waste.
Respiratory system and includes gases exchanges, functions, factors, disorder...
Respiratory system and gases exchanges. Function of organs, factors, disorders all are included in these slides with suitable diagrams and description.
respiration
Respiration is the process by which organisms convert food into energy through the oxidation of glucose in the presence of oxygen. It takes place in the mitochondria of cells through two main types: aerobic respiration, which produces more energy using oxygen, and anaerobic respiration, which produces less energy without oxygen. The respiratory system involves the nostrils, nasal cavity, pharynx, larynx, trachea, bronchi, bronchioles, lungs, and diaphragm to facilitate the exchange of oxygen and carbon dioxide between inhaled air and blood.
Respiratory system
The respiratory system brings air into the lungs to provide oxygen to cells through cellular respiration and removes carbon dioxide and water molecules as waste. Air enters through the nose or mouth and passes through the pharynx and larynx into the trachea. The trachea branches into bronchi which lead to bronchioles and alveoli in the lungs where oxygen and carbon dioxide are exchanged with blood. Smoking damages the respiratory system and can cause diseases like bronchitis, emphysema, asthma, and lung cancer by introducing carcinogens into the lungs.
Respiration
The respiratory system allows for gas exchange in humans. Air enters through the nose or mouth and passes through the trachea into the lungs. In the lungs, the bronchi branch into smaller tubes called bronchioles that end in alveoli, which are tiny air sacs where gas exchange occurs. Oxygen from the inhaled air passes into the bloodstream, and carbon dioxide passes from the bloodstream into the alveoli to be exhaled. Breathing is driven by the diaphragm and intercostal muscles contracting and relaxing to expand and contract the lungs and chest.
Breathing and exchange of gases
Respiration involves the exchange of oxygen and carbon dioxide between the environment and body through breathing. It is a catabolic process where oxygen is used to oxidize glucose to produce energy in mitochondria. The principal organs of respiration include the nasal passages, pharynx, larynx, trachea, bronchi, lungs, and associated muscles. In humans, breathing is driven by the contraction and relaxation of the diaphragm and intercostal muscles, causing the volume of the thoracic cavity to alternately increase and decrease. This draws air in and out of the lungs, facilitating gas exchange between alveolar air and blood in the pulmonary capillaries via simple diffusion.
1st science 11 identifies the respiratory system and its major parts
The document discusses the respiratory system and its major parts. It identifies the nostrils, trachea, bronchial tubes, and lungs as the main respiratory organs. The respiratory system takes in oxygen and releases carbon dioxide and water vapor, allowing the body to unlock stored energy through respiration.
Human_Respiration_and_Aerobic_Anaerobic_slides.ppt
The document summarizes the key components and processes of the human respiratory system. It describes the pathway of air from the nose through the trachea to the bronchioles and alveoli in the lungs. Gas exchange occurs where oxygen diffuses into blood capillaries and carbon dioxide diffuses out. Breathing is driven by contractions of the diaphragm and intercostal muscles. The document also covers cellular respiration, where glucose breakdown through aerobic and anaerobic pathways generates ATP as energy for cells.
Chapter 1 Respiration
This document provides information on the human respiratory system and respiration process. It describes the pathway of air from the nostrils through the trachea and bronchi to the alveoli in the lungs. The alveoli have adaptations like a large surface area and thin walls that allow for efficient gas exchange. Oxygen is transported from the lungs to body cells via blood, binding to hemoglobin. Air pollution can harm the respiratory system and cause diseases like asthma, bronchitis, lung cancer, emphysema and pneumonia. Maintaining good indoor and outdoor air quality can help improve respiratory health.
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AS Level Biology - 9) Gas Exchange
Like Membrane, this is one of the shorter topics with less content to go through. More or less an extension of the mamal transport system, the gas exchange system should still be seen as an individual self-serving/ self-functioning system worthy of its own spotlight.
Respiratory System
> what is respiration
>how many steps involved.
> types of respiration
>organs involved in respiration
> how it works
> applications
Respiratory System
The respiratory system takes in oxygen and removes carbon dioxide through breathing. Breathing is controlled by the diaphragm muscle contracting and relaxing. Air enters the nose and is warmed and filtered before reaching the lungs. In the lungs, bronchioles branch into alveoli where gas exchange occurs and oxygen enters the blood while carbon dioxide leaves. The respiratory and circulatory systems work together to maintain homeostasis in the body.
Breathing and Exchange of Gases
This document summarizes the human respiratory system. It describes the major organs involved including the nasal passages, pharynx, larynx, trachea, bronchi, and lungs. It explains the process of breathing including inspiration initiated by diaphragm and intercostal muscle contraction, and expiration through relaxation of these muscles. It also discusses gas exchange, transport of oxygen and carbon dioxide in the blood, regulation of respiration, and some common respiratory disorders like asthma and emphysema.
Dean r berry human body respiratory system
The respiratory system enables oxygen to travel from the air we breathe into our lungs and then into our bloodstream. Air enters through the nose or mouth and travels down the trachea into the lungs. In the lungs, oxygen passes into the bloodstream and is circulated throughout the body while carbon dioxide is removed from the blood and exhaled. Problems with the respiratory system can interfere with this process and deprive tissues of oxygen.
Oxygen through the Respiratory System
Lenny is an oxygen molecule that travels through the respiratory and circulatory systems of the body. He is breathed in through the mouth and travels down the trachea to the lungs. In the alveoli, Lenny passes through the alveoli walls and capillary walls into the bloodstream. He is then transported by red blood cells to cells throughout the body where he produces energy. After producing energy and carbon dioxide, Lenny is picked up by blood cells and returned to the lungs to be breathed out.
Gas exchange in animal
The document discusses gas exchange in different organisms. It explains that gas exchange is the process by which oxygen and carbon dioxide are exchanged between an organism's respiratory surface and the surrounding environment or fluid. It then provides examples of gas exchange in various organisms like earthworms, fish, birds, mammals/humans, amphibians, and insects. Earthworms exchange gases through their skin, fish use countercurrent exchange in their gills, birds use air sacs and lungs, and mammals inhale through the nose and exhale through the mouth via the trachea and lungs. Amphibians can exchange gases through their skin and lungs, and insects have a tracheal system to directly deliver air to cells.
Topic 5.5 gas exchange
Gas exchange occurs in two sites: (1) the alveoli where oxygen diffuses into the blood and carbon dioxide diffuses out, and (2) the tissues where oxygen diffuses into cells and carbon dioxide out. Ventilation maintains concentration gradients across the alveoli by airflow replacing oxygen and removing carbon dioxide, allowing diffusion down concentration gradients. The ventilation system includes the trachea, bronchi, bronchioles and over 600 million alveoli with a large surface area and short diffusion distances to facilitate gas exchange.
Ppt respiratory system- physiology
The respiratory system uses two types of respiration - internal and external. External respiration involves the exchange of gases between the external environment and cellular respiration, occurring through bulk transport via breathing and gas exchange in the lungs and blood circulated by the heart. Organisms use different respiratory structures depending on whether they reside in water or air, such as gills for fish and lungs for air-breathing organisms.
Mechanisms of gas exchange
This document discusses the mechanisms of gas exchange in the human body. It begins by defining diffusion and describing the basic process of gas exchange across membranes. It then describes the four main types of gas exchange systems: integumentary, gills, tracheal, and lungs. The majority of the document focuses on the human respiratory system, describing external respiration in the lungs where oxygen diffuses into blood and carbon dioxide diffuses out, and internal respiration where gases are exchanged at the cellular level. It concludes by explaining cellular respiration, where oxygen is used to break down food molecules and release energy, producing carbon dioxide as a waste product.
sistem respiratori
The document describes the anatomy and physiology of the respiratory system. It discusses the upper and lower respiratory tract, including the nasal cavity, pharynx, larynx, trachea, bronchi, lungs, and alveoli. Gas exchange occurs across the respiratory membrane in the alveoli. Lung volumes such as tidal volume, vital capacity, and functional residual capacity are defined. Pulmonary function tests assess obstructive and restrictive lung diseases. The carbonic acid buffer system helps regulate blood pH during respiration.
The Respiratory System
The document summarizes key aspects of the respiratory system. It describes how respiratory surfaces maximize gas exchange through thin membranes with large surface areas. It explains how terrestrial animals evolved internal lungs and trachea to efficiently obtain oxygen on land. It also discusses the roles of alveoli, partial pressures, hemoglobin, and countercurrent exchange in facilitating gas exchange in fish, humans, and other organisms.
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The document summarizes circulation and gas exchange in organisms. It discusses how unicellular organisms directly exchange with their environment while multicellular organisms need specialized exchange systems like circulatory systems. It describes different circulatory systems seen across invertebrates and vertebrates, from simple gastrovascular cavities to open and closed circulatory systems. The mammalian circulatory system is discussed in detail, outlining the pathway of blood flow through the heart in double circulation and how the heart's rhythmic pumping is controlled.
4.1 Respiratory System
The respiratory system is made up of organs and structures that help move oxygen into the body and carbon dioxide out. Air enters through the nose and mouth, where it is warmed and filtered before passing through the pharynx and larynx into the trachea. The trachea branches into bronchi that lead to the lungs, where oxygen is exchanged in the alveoli and carbon dioxide passes back into the bloodstream. The respiratory system works with the circulatory system to provide oxygen to cells for cellular respiration and remove carbon dioxide and water waste.
Respiratory system and includes gases exchanges, functions, factors, disorder...
Respiratory system and gases exchanges. Function of organs, factors, disorders all are included in these slides with suitable diagrams and description.
respiration
Respiration is the process by which organisms convert food into energy through the oxidation of glucose in the presence of oxygen. It takes place in the mitochondria of cells through two main types: aerobic respiration, which produces more energy using oxygen, and anaerobic respiration, which produces less energy without oxygen. The respiratory system involves the nostrils, nasal cavity, pharynx, larynx, trachea, bronchi, bronchioles, lungs, and diaphragm to facilitate the exchange of oxygen and carbon dioxide between inhaled air and blood.
Respiratory system
The respiratory system brings air into the lungs to provide oxygen to cells through cellular respiration and removes carbon dioxide and water molecules as waste. Air enters through the nose or mouth and passes through the pharynx and larynx into the trachea. The trachea branches into bronchi which lead to bronchioles and alveoli in the lungs where oxygen and carbon dioxide are exchanged with blood. Smoking damages the respiratory system and can cause diseases like bronchitis, emphysema, asthma, and lung cancer by introducing carcinogens into the lungs.
Respiration
The respiratory system allows for gas exchange in humans. Air enters through the nose or mouth and passes through the trachea into the lungs. In the lungs, the bronchi branch into smaller tubes called bronchioles that end in alveoli, which are tiny air sacs where gas exchange occurs. Oxygen from the inhaled air passes into the bloodstream, and carbon dioxide passes from the bloodstream into the alveoli to be exhaled. Breathing is driven by the diaphragm and intercostal muscles contracting and relaxing to expand and contract the lungs and chest.
Breathing and exchange of gases
Respiration involves the exchange of oxygen and carbon dioxide between the environment and body through breathing. It is a catabolic process where oxygen is used to oxidize glucose to produce energy in mitochondria. The principal organs of respiration include the nasal passages, pharynx, larynx, trachea, bronchi, lungs, and associated muscles. In humans, breathing is driven by the contraction and relaxation of the diaphragm and intercostal muscles, causing the volume of the thoracic cavity to alternately increase and decrease. This draws air in and out of the lungs, facilitating gas exchange between alveolar air and blood in the pulmonary capillaries via simple diffusion.
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Respiratory system and includes gases exchanges, functions, factors, disorder...
Respiratory system and includes gases exchanges, functions, factors, disorder...
1st science 11 identifies the respiratory system and its major parts
1st science 11 identifies the respiratory system and its major parts
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Respiratorysystem
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1. The respiratory system supplies oxygen to the blood and removes carbon dioxide through a process called gas exchange that takes place in alveoli in the lungs.
2. It is made up of the nasal passages, pharynx, larynx, trachea, bronchi, and lungs and works through the processes of external respiration which exchanges gases between the body and environment, and internal respiration which transports gases between the blood and cells.
3. Breathing is regulated through the contraction and relaxation of the diaphragm and rib cage which expands and contracts the chest cavity to inhale and exhale air.
breathing system.pptx
The respiratory system is adapted for gas exchange between the air and blood. Oxygen diffuses into the alveoli and into blood capillaries, while carbon dioxide diffuses out. The diaphragm and intercostal muscles drive breathing by expanding the lungs to inhale air and relaxing to exhale. Gas exchange occurs through the thin walls of alveoli surrounded by capillaries, allowing oxygenation of blood and removal of carbon dioxide.
The Respiratory system
COVID-19 is a respiratory disease that affects the lungs. It enters the body through the nose, mouth and eyes and uses cells to replicate. It can cause mild to critical breathing problems in older people and those with preexisting conditions. Common symptoms include fever, cough and shortness of breath. The respiratory system brings air into the body through the nose, mouth, throat and trachea which branch into smaller passages and alveoli in the lungs where gas exchange occurs.
Respiration in man
Respiration involves the exchange of gases between an organism and its environment. In humans, respiration occurs through the respiratory and circulatory systems working together to transport gases to cells. There are two types of respiration - external respiration which is the exchange of gases between the lungs and blood, and internal respiration which is the passage of gases from the blood to tissues. The major organs of the respiratory system include the nasal cavity, pharynx, larynx, trachea, bronchi, bronchioles and lungs. Gaseous exchange occurs in the alveoli of the lungs where oxygen passes into the blood and carbon dioxide passes out.
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Respiratory system
- 1. awan
- 3. Brings air into the body Nasal hairs in nostrils trap dust
- 5. Warms & moistens air Glands that produce sticky mucus line the nasal cavity traps dust, pollen, and other materials that were not trapped by nasal hairs cilia sweep mucus and trapped material to the back of the throat
- 6. Tube-like passageway used by food, liquid, and air At the lower end of the pharynx is a flap of tissue called the epiglottis covers the trachea during swallowing so that food does not enter the
- 7. “Voice box” The airway to which two pairs of horizontal folds of tissue, called vocal cords, are attached
- 8. Air-conducting tube Connects the larynx with the bronchi Lined with mucous membranes and cilia Contains strong
- 9. Two short tubes that branch off the lower end of the trachea Carry air into the lungs. Singular - bronchus
- 10. Tiny branches of air tubes in the lungs Connect bronchi to alveoli
- 11. Tiny, thin- walled, grapelike clusters at the end of each bronchiole Surrounded by capillaries Where carbon dioxide and oxygen exchange take place Singular -
- 14. Membrane lining the lungs and chest cavity
- 15. Muscle wall between the chest and the abdomen that the body uses for breathing
- 18. Cellular respiration requires glucose and oxygen to release energy to the body C6H12O6 + 6O2 6CO2 + 6 H2O + Energy Oxygen is provided by the respiratory system Glucose is provided by the digestive system (glucose is made during photosynthesis)
- 20. An inflammation of mucus membrane in bronchi. The symptom include cough followed by fever and pain in chest
- 21. A lung infection caused by Mycobacterium tuberculosis
- 22. An inflammation of the tonsils caused by bacteria
- 23. An infection caused by bacteria Corynebacterium diphteriae. It can cause heart complication followed by fever and sometimes can cause paralysis
- 24. A respiratory illness caused by the disturbance of respiratory muscles work. It can be caused by allergic or physical pressure. Signed by difficulty in breathing that is shown by shortness of breath
- 25. A respiratory illness caused by swollen lung that leads to shortness breath
- 26. An inflammation of the mucus membrane of the nose