The respiratory system
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The respiratory system allows us to breathe by taking in oxygen and removing carbon dioxide through a process of gas exchange. Air enters through the nose and mouth, then travels through the pharynx, larynx, trachea, and bronchi before reaching the lungs. In the lungs, air passes through bronchioles and into alveoli, tiny sacs where oxygen and carbon dioxide are exchanged between the lungs and blood. The diaphragm and rib cage work together to inhale and exhale air and drive this gas exchange process.
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Respiratory system
Here are the answers to questions 1-4 on page 288:
1. What is the normal adult respiration rate at rest?
Around 12 breaths per minute.
2. What is the normal tidal volume at rest?
Around 0.5 L per breath.
3. What is the normal minute ventilation at rest?
Around 7.5 L per minute.
4. During high intensity exercise, what can the respiration rate reach?
It can reach 35-40 breaths per minute during high intensity exercise.
The Respiratory System
The respiratory system allows us to breathe in oxygen and breathe out carbon dioxide. It has two main zones - the conductive zone which brings air to the lungs through the nose, mouth, throat, trachea and bronchi, and the respiratory zone where gas exchange occurs in tiny air sacs called alveoli surrounded by capillaries. In the alveoli, oxygen passes into the bloodstream and carbon dioxide passes out through the thin walls of the alveoli and capillaries. Diseases and injuries can damage the respiratory system, but exercise and avoiding pollution can help strengthen it.
The respiratory system
The respiratory system is vital for survival as it allows oxygen to enter and carbon dioxide to exit the body. It includes the trachea that carries air to and from the lungs, bronchial tubes that branch out from the trachea and distribute air to small air sacs called alveoli where gas exchange occurs, and a diaphragm and vocal cords that help with breathing and voice functions.
Respiratory System
This powerpoint presents information about the human's respiratory system. It summarizes the importance of respiration and the function of each organ.
The respiratory system
The respiratory system begins in the larynx in the throat and includes the trachea, bronchus, alveolus, bronchioles, and lungs. The diaphragm and lungs work together to inhale oxygen and exhale carbon dioxide, moving gases to and from the blood through the respiratory tree. The respiratory system is vital for breathing and distributing oxygen throughout the body.
Group 1.science. breathing system
The document describes the parts of the respiratory system and their functions:
1) It begins with the nostrils and nasal cavity, which warm and moisten inhaled air, before the trachea transports air into the two primary bronchi and bronchioles.
2) The bronchioles terminate in alveoli, which are tiny air sacs where gas exchange occurs.
3) A "bunch of grapes" model effectively represents the branching pathway that oxygen travels through the respiratory system until reaching the alveoli.
Respiratory System Parts
I use this presentation to discuss the parts of the respiratory system to my Grade 9 students. This presentation only shows the major parts and does not discuss everything in great detail. Hope it helps!
Respiratory System
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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Respiratory system
Here are the answers to questions 1-4 on page 288:
1. What is the normal adult respiration rate at rest?
Around 12 breaths per minute.
2. What is the normal tidal volume at rest?
Around 0.5 L per breath.
3. What is the normal minute ventilation at rest?
Around 7.5 L per minute.
4. During high intensity exercise, what can the respiration rate reach?
It can reach 35-40 breaths per minute during high intensity exercise.
The Respiratory System
The respiratory system allows us to breathe in oxygen and breathe out carbon dioxide. It has two main zones - the conductive zone which brings air to the lungs through the nose, mouth, throat, trachea and bronchi, and the respiratory zone where gas exchange occurs in tiny air sacs called alveoli surrounded by capillaries. In the alveoli, oxygen passes into the bloodstream and carbon dioxide passes out through the thin walls of the alveoli and capillaries. Diseases and injuries can damage the respiratory system, but exercise and avoiding pollution can help strengthen it.
The respiratory system
The respiratory system is vital for survival as it allows oxygen to enter and carbon dioxide to exit the body. It includes the trachea that carries air to and from the lungs, bronchial tubes that branch out from the trachea and distribute air to small air sacs called alveoli where gas exchange occurs, and a diaphragm and vocal cords that help with breathing and voice functions.
Respiratory System
This powerpoint presents information about the human's respiratory system. It summarizes the importance of respiration and the function of each organ.
The respiratory system
The respiratory system begins in the larynx in the throat and includes the trachea, bronchus, alveolus, bronchioles, and lungs. The diaphragm and lungs work together to inhale oxygen and exhale carbon dioxide, moving gases to and from the blood through the respiratory tree. The respiratory system is vital for breathing and distributing oxygen throughout the body.
Group 1.science. breathing system
The document describes the parts of the respiratory system and their functions:
1) It begins with the nostrils and nasal cavity, which warm and moisten inhaled air, before the trachea transports air into the two primary bronchi and bronchioles.
2) The bronchioles terminate in alveoli, which are tiny air sacs where gas exchange occurs.
3) A "bunch of grapes" model effectively represents the branching pathway that oxygen travels through the respiratory system until reaching the alveoli.
Respiratory System Parts
I use this presentation to discuss the parts of the respiratory system to my Grade 9 students. This presentation only shows the major parts and does not discuss everything in great detail. Hope it helps!
Respiratory System
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 document describes the main parts of the respiratory system, including the nose, which has nostrils separated by a septum and hairs that prevent large dust particles from entering. It notes that the larynx, also called the voice box, is a hollow, cartilaginous structure located at the start of the windpipe. Finally, it discusses the trachea, bronchi and bronchioles, alveoli in the lungs where gas exchange occurs, and the ciliated epithelium lining the respiratory passages.
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The respiratory system includes the nose, mouth, windpipe and lungs, and its purpose is to oxygenate the blood by breathing in oxygen and breathing out carbon dioxide. Oxygen enters through the nose and mouth, passes through the larynx and trachea into the lungs, where the trachea splits into bronchi that divide into smaller bronchial tubes connecting to alveoli, and the blood releases carbon dioxide into the alveoli to be exhaled.
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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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This document describes the function of each part of the respiratory system. It begins by listing the parts and their functions: nostrils allow air to enter the nasal cavity, the pharynx enables air to pass to the trachea, the larynx produces sounds, the trachea transports air to the lungs, bronchioles allow for gas exchange, and lungs filter and purify air. The document then provides a lesson plan to teach students about the respiratory system through activities, discussion of the parts and their roles, and a labeling exercise to reinforce understanding.
Respiratory system
The document discusses the human respiratory system and the process of respiration. It describes the major organs involved, 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 through the processes of inspiration and expiration. The document also outlines some common respiratory diseases and disorders like asthma, bronchitis, emphysema and pneumonia.
Activity 1
The document describes the parts of the respiratory system, including the trachea, bronchi, bronchioles, alveoli, nose, and nasal passages. It explains that the trachea serves as the passageway into the lungs, the bronchi branch off the trachea and connect to the lungs, the bronchioles are finer branches that connect to the alveoli, and the alveoli allow for gas exchange. It also contains a question and answer section reviewing the "bunch of grapes" model of the lungs and how oxygen travels through the respiratory system.
The respiratory system
The respiratory system brings oxygen into the body and removes carbon dioxide. It works through the process of breathing, where oxygen is inhaled through the nose and mouth into the lungs and carbon dioxide is exhaled. In the lungs, oxygen passes into tiny sacs called alveoli and enters the bloodstream, while carbon dioxide moves from the blood into the alveoli and is then exhaled. The diaphragm helps with breathing by contracting to pull oxygen into the lungs and relaxing to push carbon dioxide out. Common respiratory diseases include asthma, bronchitis, COPD, pneumonia and lung cancer.
Respiratory system
The respiratory system begins with air entering the nose or mouth and traveling through the windpipe into two bronchial tubes that enter the lungs. Within the lungs, bronchi branch into thousands of smaller bronchioles ending in alveoli that exchange gases with capillaries. Cilia and mucus trap particles that are then expelled, while the diaphragm and lungs work passively to control blood pH and carbon dioxide levels through breathing.
Human breathing system
The document describes the major parts of the human respiratory system and their functions. It identifies the nose, nasal passages, trachea, bronchi, bronchioles, and alveoli as the key parts involved in supplying oxygen to the body. Each part plays an important role, from warming and filtering air in the nose to gas exchange taking place in the tiny alveoli sacs inside the lungs. A disruption to the function of any single part could impair breathing and potentially cause serious health issues.
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.
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The document discusses the human respiratory system. It describes how oxygen and carbon dioxide are exchanged in the body through breathing and circulation. The respiratory system includes the nasal cavity, pharynx, larynx, trachea, bronchi, bronchioles and lungs. The nasal cavity contains hairs, mucus-secreting cells and cilia to warm and clean the air. The trachea is supported by C-shaped cartilage and the lungs are protected by the rib cage and diaphragm.
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The document describes the parts and functions of the respiratory system. It includes the nostrils, trachea, bronchi, bronchioles, alveolus, and lungs. It then discusses the breathing mechanism and answers questions about how the bunch of grapes model represents the respiratory system parts. Oxygen travels through the nose or mouth, trachea, bronchi, bronchioles, and into the alveoli for gas exchange. If any part fails, it can disrupt breathing and oxygen transfer, potentially causing complications.
The respiratory system
The respiratory system allows us to breathe by taking in oxygen and expelling carbon dioxide. The lungs and nose or mouth are used to inhale air which travels through the trachea into the lungs. When we breathe in, the diaphragm contracts pulling air into the lungs, and when breathing out it relaxes pushing air out. Oxygen passes from the lungs into the blood while carbon dioxide passes from the blood to the lungs.
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The document describes how lungs work with the help of the diaphragm muscle. It explains that inhaling occurs when the diaphragm contracts, pulling down and expanding the chest cavity so that air is drawn into the lungs. Exhaling happens when the diaphragm relaxes and the chest cavity decreases in size, pushing the air out of the lungs. The diaphragm is essential to breathing by controlling the movement of air in and out of the lungs.
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.
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The main organs of the respiratory system include the nose, mouth, larynx, pharynx, lungs, and diaphragm. The nose and mouth allow air to enter the body and pass through the pharynx into the lungs. The larynx, or voice box, is located below the pharynx and produces sound. Within the lungs, air passes through branching tubes called bronchi and bronchioles ending in alveoli where oxygen and carbon dioxide are exchanged with the blood. The diaphragm contracts and relaxes to help draw air in and out of the lungs during breathing.
Respiratory system
The respiratory system allows us to breathe in oxygen and breathe out carbon dioxide. It begins with air being filtered through the nose and warmed in the nasal passages. The pharynx carries air into the windpipe and pushes food into the gullet. The epiglottis covers the larynx to prevent food from entering the lungs. The larynx contains the vocal cords which produce sounds. The trachea takes air from the larynx to the lungs. In the lungs, the bronchial tree branches like a tree to distribute air to all parts of the lungs.
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This document describes a model of the respiratory system using balloons and straws. The plastic bottle represents the chest cavity, straws represent bronchi, small balloons represent lungs, and large balloons/cellophane represent the diaphragm. Pulling down the diaphragm balloon causes the lung balloons to expand, representing inhalation. Pushing up the diaphragm balloon causes the lung balloons to contract, representing exhalation. The diaphragm controls air moving in and out of the lungs by changing the chest cavity size and pressure.
Respiratory system
The respiratory system allows us to breathe by taking in oxygen and removing carbon dioxide. It consists of the nasal cavity, trachea, bronchi, bronchioles and lungs which include alveoli. When we breathe in, air enters the nose or mouth and travels through the trachea and bronchi into the lungs where it reaches the alveoli. When we breathe out, the process is reversed and air leaves the lungs. Breathing is controlled by the diaphragm and ribs moving in opposite directions when inhaling and exhaling.
The respiratory system
The document describes the main components and functions of the respiratory system. It defines the respiratory system as the process of breathing in oxygen and breathing out carbon dioxide. Key parts that are discussed include the alveolus, which holds air in the lungs and allows for gas exchange; the diaphragm, the main muscle that controls breathing; and the lungs, trachea, bronchi, and bronchioles which make up the air passageways allowing air to reach the alveoli.
Respiratory system
a biological system consisting of specific organs and structures used for the process of respiration in an organism, intake and exchange of oxygen and carbon dioxide between an organism and the environment, explore anatomy of the upper and lower respiratory tracts, from nasal passages to the lungs
Therespiratorysystem/dhsani/geb,sust
1. The respiratory system supplies oxygen to the blood and removes carbon dioxide through a process called external and internal respiration.
2. It involves the nose, mouth, pharynx, larynx, trachea, bronchi, bronchioles, lungs, and diaphragm. The lungs exchange gases via alveoli and capillaries.
3. Breathing is regulated by the diaphragm and rib cage, inhaling oxygen and exhaling carbon dioxide through a cyclic process called pulmonary ventilation.
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The document describes the main parts of the respiratory system, including the nose, which has nostrils separated by a septum and hairs that prevent large dust particles from entering. It notes that the larynx, also called the voice box, is a hollow, cartilaginous structure located at the start of the windpipe. Finally, it discusses the trachea, bronchi and bronchioles, alveoli in the lungs where gas exchange occurs, and the ciliated epithelium lining the respiratory passages.
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The respiratory system includes the nose, mouth, windpipe and lungs, and its purpose is to oxygenate the blood by breathing in oxygen and breathing out carbon dioxide. Oxygen enters through the nose and mouth, passes through the larynx and trachea into the lungs, where the trachea splits into bronchi that divide into smaller bronchial tubes connecting to alveoli, and the blood releases carbon dioxide into the alveoli to be exhaled.
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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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This document describes the function of each part of the respiratory system. It begins by listing the parts and their functions: nostrils allow air to enter the nasal cavity, the pharynx enables air to pass to the trachea, the larynx produces sounds, the trachea transports air to the lungs, bronchioles allow for gas exchange, and lungs filter and purify air. The document then provides a lesson plan to teach students about the respiratory system through activities, discussion of the parts and their roles, and a labeling exercise to reinforce understanding.
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The document discusses the human respiratory system and the process of respiration. It describes the major organs involved, 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 through the processes of inspiration and expiration. The document also outlines some common respiratory diseases and disorders like asthma, bronchitis, emphysema and pneumonia.
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The document describes the parts of the respiratory system, including the trachea, bronchi, bronchioles, alveoli, nose, and nasal passages. It explains that the trachea serves as the passageway into the lungs, the bronchi branch off the trachea and connect to the lungs, the bronchioles are finer branches that connect to the alveoli, and the alveoli allow for gas exchange. It also contains a question and answer section reviewing the "bunch of grapes" model of the lungs and how oxygen travels through the respiratory system.
The respiratory system
The respiratory system brings oxygen into the body and removes carbon dioxide. It works through the process of breathing, where oxygen is inhaled through the nose and mouth into the lungs and carbon dioxide is exhaled. In the lungs, oxygen passes into tiny sacs called alveoli and enters the bloodstream, while carbon dioxide moves from the blood into the alveoli and is then exhaled. The diaphragm helps with breathing by contracting to pull oxygen into the lungs and relaxing to push carbon dioxide out. Common respiratory diseases include asthma, bronchitis, COPD, pneumonia and lung cancer.
Respiratory system
The respiratory system begins with air entering the nose or mouth and traveling through the windpipe into two bronchial tubes that enter the lungs. Within the lungs, bronchi branch into thousands of smaller bronchioles ending in alveoli that exchange gases with capillaries. Cilia and mucus trap particles that are then expelled, while the diaphragm and lungs work passively to control blood pH and carbon dioxide levels through breathing.
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The document describes the major parts of the human respiratory system and their functions. It identifies the nose, nasal passages, trachea, bronchi, bronchioles, and alveoli as the key parts involved in supplying oxygen to the body. Each part plays an important role, from warming and filtering air in the nose to gas exchange taking place in the tiny alveoli sacs inside the lungs. A disruption to the function of any single part could impair breathing and potentially cause serious health issues.
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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.
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The document discusses the human respiratory system. It describes how oxygen and carbon dioxide are exchanged in the body through breathing and circulation. The respiratory system includes the nasal cavity, pharynx, larynx, trachea, bronchi, bronchioles and lungs. The nasal cavity contains hairs, mucus-secreting cells and cilia to warm and clean the air. The trachea is supported by C-shaped cartilage and the lungs are protected by the rib cage and diaphragm.
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The document describes the parts and functions of the respiratory system. It includes the nostrils, trachea, bronchi, bronchioles, alveolus, and lungs. It then discusses the breathing mechanism and answers questions about how the bunch of grapes model represents the respiratory system parts. Oxygen travels through the nose or mouth, trachea, bronchi, bronchioles, and into the alveoli for gas exchange. If any part fails, it can disrupt breathing and oxygen transfer, potentially causing complications.
The respiratory system
The respiratory system allows us to breathe by taking in oxygen and expelling carbon dioxide. The lungs and nose or mouth are used to inhale air which travels through the trachea into the lungs. When we breathe in, the diaphragm contracts pulling air into the lungs, and when breathing out it relaxes pushing air out. Oxygen passes from the lungs into the blood while carbon dioxide passes from the blood to the lungs.
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The document describes how lungs work with the help of the diaphragm muscle. It explains that inhaling occurs when the diaphragm contracts, pulling down and expanding the chest cavity so that air is drawn into the lungs. Exhaling happens when the diaphragm relaxes and the chest cavity decreases in size, pushing the air out of the lungs. The diaphragm is essential to breathing by controlling the movement of air in and out of the lungs.
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.
Respiratory system organs
The main organs of the respiratory system include the nose, mouth, larynx, pharynx, lungs, and diaphragm. The nose and mouth allow air to enter the body and pass through the pharynx into the lungs. The larynx, or voice box, is located below the pharynx and produces sound. Within the lungs, air passes through branching tubes called bronchi and bronchioles ending in alveoli where oxygen and carbon dioxide are exchanged with the blood. The diaphragm contracts and relaxes to help draw air in and out of the lungs during breathing.
Respiratory system
The respiratory system allows us to breathe in oxygen and breathe out carbon dioxide. It begins with air being filtered through the nose and warmed in the nasal passages. The pharynx carries air into the windpipe and pushes food into the gullet. The epiglottis covers the larynx to prevent food from entering the lungs. The larynx contains the vocal cords which produce sounds. The trachea takes air from the larynx to the lungs. In the lungs, the bronchial tree branches like a tree to distribute air to all parts of the lungs.
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This document describes a model of the respiratory system using balloons and straws. The plastic bottle represents the chest cavity, straws represent bronchi, small balloons represent lungs, and large balloons/cellophane represent the diaphragm. Pulling down the diaphragm balloon causes the lung balloons to expand, representing inhalation. Pushing up the diaphragm balloon causes the lung balloons to contract, representing exhalation. The diaphragm controls air moving in and out of the lungs by changing the chest cavity size and pressure.
Respiratory system
The respiratory system allows us to breathe by taking in oxygen and removing carbon dioxide. It consists of the nasal cavity, trachea, bronchi, bronchioles and lungs which include alveoli. When we breathe in, air enters the nose or mouth and travels through the trachea and bronchi into the lungs where it reaches the alveoli. When we breathe out, the process is reversed and air leaves the lungs. Breathing is controlled by the diaphragm and ribs moving in opposite directions when inhaling and exhaling.
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1st science 11 identifies the respiratory system and its major parts
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The document describes the main components and functions of the respiratory system. It defines the respiratory system as the process of breathing in oxygen and breathing out carbon dioxide. Key parts that are discussed include the alveolus, which holds air in the lungs and allows for gas exchange; the diaphragm, the main muscle that controls breathing; and the lungs, trachea, bronchi, and bronchioles which make up the air passageways allowing air to reach the alveoli.
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The respiratory system brings oxygen into the body and removes carbon dioxide. It includes the lungs, larynx, trachea, bronchus, alveolus, bronchioles, and diaphragm. The lungs remove carbon dioxide from inhaled air, leaving oxygen for the body. The trachea is a tube that leads inhaled air to the right and left lungs. The alveolus fill with air, expanding the lungs and allowing oxygen to enter the bloodstream. The diaphragm causes exhalation by pushing air from the lungs.
Respiratory system
The respiratory system allows for oxygen intake and carbon dioxide elimination through the process of breathing, which consists of inspiration and expiration. The organs of the respiratory system include the nose, pharynx, larynx, trachea, bronchi, bronchioles and alveoli. The upper respiratory tract functions to warm, moisten and filter air, while the lower respiratory tract transports air to the lungs for gas exchange to occur between the blood and alveoli.
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The respiratory system
- 1. The Respiratory System By : Justin L. Sunga
- 2. What is the Respiratory system ? It lets us breathe. We breath oxygen , because we need oxygen in our work is that blood . We breathe in oxygen and then we breathe out what our body doesn’t need Basically this whole process is an exchange of gases .
- 3. Alveolus A tiny sac use for holding air in the lungs . Squashes the oxygen molecules so they diffuse from the alveolus into the capillary
- 4. Diaphragm Main muscle of respiration Controls the flow of air into the lung
- 5. Lung • Essential respiration organ in all air-breathing animals
- 6. Larynx The place where moving air creates voice sounds
- 7. Trachea Windpipe is the passage for the pharynx to the lungs A common biological term for an airway through which respiratory air transports
- 8. Bronchus The tube that connects the trachea with the lungs Each bronchiole ends in a cluster of air sacs called alveoli.
- 9. Bronchioles A tube in the lungs branching off from the bronchus . The smallest unit of trachea and helps in taking fresh air to lungs alveoli and taking co2
- 10. Bibliography Information : http://en.wikipedia.org/wiki/Respiratory_system http://42explore.com/respsyst.htm http://library.thinkquest.org/5777/resp1.htm http://www.e-learningforkids.org/Courses/Liquid_Animation/Body_Parts/Respiratory_System/index.html http://www.neok12.com/Respiratory-System.htm Picture : http://www.daviddarling.info/encyclopedia/A/alveolus.html http://www.umm.edu/graphics/images/en/19380.jpg http://stopsmokingnow.org.uk/wp-content/uploads/2009/02/lungs.gif http://www.intelihealth.com/i/L/Larynx.gif http://www.pennmedicine.org/health_info/images/19379.jpg http://www.naturalhealthschool.com/img/trachea.gif http://www.riversideonline.com/source/images/image_popup/r7_bronchioles.jpg