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13 Cards in this Set
- Front
- Back
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Cellular respiration |
Convert chemical energy in nutrients into chemical energy utilized by cells |
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Mechanics of breathing |
Breathing is a biomechanical process Exhalation/expiration air exits lungs Inhalation/inspiration air enter lungs |
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Breathing |
Entrance and exit of air into and out of the lungs |
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Internal respiration |
Gas exchange between blood and body cells |
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External respiration |
Gas exchange between air and blood |
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Cellular respiration |
In body cells |
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Lungs |
Cone shaped organs on each side of the heart. Right has 3 lobes left lung has 2 lobes. |
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Conducting portion of air |
Warmed. Moistened. Filtered |
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How air moves thru the lungs |
Nose. Nasal cavity. Mouth. Oral cavity.Pharnyx |
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Hemoglobin |
Binds oxygen over carbon dioxide |
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Inhalation |
Diaphragm contracts and drops down. Muscles in ribcage contract and push in and out. Thoriac cavity increases in volume. Pressure in lungs decreases. Air rushes into lungs. |
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Simple diffusion |
Gases are exchanged across the moist exterior surface of the organisms body. |
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Alveoli |
Tiny sacs where gas exchange occurs |
