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Respiratory system
N/A
8
Anatomy
11th Grade
05/18/2010

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Cards

Term
Describe the process of inspiration.
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.
Term
Describe the process of expiration.
Definition
1) the abdominal and internal intercostal muscles contract
2) the pressure inside the lungs increases forcing air out of the lungs
Term
main types of hemoglobin have differing affinities for oxygen
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
Term
What enzyme accelerates the following reaction and were is it located

CO2--> HCO2
Definition
Carbonic anhydrase in the red blood cells
Term
How does most of the CO2 get to the lungs
Definition
It is transported in the plasma
Term
What is the bohr effect?
Definition
the tendency of hemoglobin to release extra oxygen when in the presence of CO2
Term
What does asthma cause?
Definition
inflammation and swelling of airways, which can result in a decreased gas exchange
Term
Why do changes in altitude effect respiration rates?
Definition
At higher altitudes, it is more difficult to obtain O2 from the air.
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