Term
| Describe the process of inspiration. |
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Definition
1) the diaphragm and external intercostal muscles contract, forcing the lungs to expand.
2) the pressure inside the lungs decreases and air flows into the lungs. |
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Term
| Describe the process of expiration. |
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Definition
1) the abdominal and internal intercostal muscles contract
2) the pressure inside the lungs increases forcing air out of the lungs |
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Term
| main types of hemoglobin have differing affinities for oxygen |
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Definition
1) Fetal Hemoglobin has the greatest affinity for oxygen
2) myoglobin has the next highest affinity for oxygen
3) maternal hemoglobin has the lowest affinity for oxygen |
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Term
What enzyme accelerates the following reaction and were is it located
CO2--> HCO2 |
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Definition
| Carbonic anhydrase in the red blood cells |
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Term
| How does most of the CO2 get to the lungs |
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Definition
| It is transported in the plasma |
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Term
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Definition
| the tendency of hemoglobin to release extra oxygen when in the presence of CO2 |
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Term
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Definition
| inflammation and swelling of airways, which can result in a decreased gas exchange |
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Term
| Why do changes in altitude effect respiration rates? |
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Definition
| At higher altitudes, it is more difficult to obtain O2 from the air. |
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