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To obtain oxygen and remove carbon dioxide; filter air, produce sounds, sense of smell, and regualtion of blood pH; and repiration |
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Definition
The Respiratory's main functions are... |
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physical process where you inhale oxygen and exhale carbon dioxide |
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chemical process of gas exchange b/t the atmosphere and body cells |
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involves the exchange of oxygen or carbon dioxide b/t air and blood |
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movement of air into lungs |
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gas exchange b/t the blood and body cells |
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Lungs, pharynx, larynx, epiglottis, trachea, bronchi, and alveoli |
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Name the components of the Respiratory system... |
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soft, spongy organs in the thoraic cavity |
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sound production; "voice box" |
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covers the entrance to the trachea to prevent food from getting into the air passages |
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windpipe tube that connects larynx to the lungs |
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bronchi (bronchus singular) |
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passage of airway that conducts air into lungs |
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the primary gas exchange units of the lung |
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Air flows into nose or mouth, through nasal cavity; pharynx; epiglottis; larynx; trachea; bronchi & bronchioles; lungs; alveolar ducts; alveolar sacs; alveoli, oxygen diffused into bloodstream |
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Definition
What is the path air takes from the enviorment to the lungs to the bloodstream? |
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The nasal cavity, trachea, and bronchi are lined with cilia and mucus that beat upward in the direction of the throat causing foreign matter to be driven there and expelled by swallowing, sneezing, or coughing. |
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Definition
How does the body make sure only clean air gets to the lungs? |
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thin walled sacs, surrounded by capillary networks, that allow gas exchange of oxygen and carbon dioxide by diffusion |
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___________ from the air diffuses into the blood vessels surrounding the alveoli and this "___________" blood is pumped by the heart to the body cells. |
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a waste product that is picked from cells by blood (more specifically, hemoglobin in blood) and carried to the lungs where it diffuses from the blood into alveoli to be exhaled. |
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When CD is removed, oxygen diffuses from the air in the alveoli into the _____ making it oxygenated (rich in oxygen) |
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The action of your ____________ and the muscles b/t your ribs enable you to breathe in and out. |
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When _________, your diaphragm is positioned in a dome shape beneath your lungs, _________ the volume of your chest cavity and forcing air out of the lungs. |
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When __________, the diaphragm flattens, __________ the chest cavity anf drawing air into the lungs. |
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breathing is an involuntary process controlled by internal feed mechanism that sends signals to the __________ _______ about blood chemistry. |
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more nerve signals being sent to your rib muscles and diaphragm, which causes them to contract and you to inhale |
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Definition
Higher levels of CD in your body = |
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