Why does efficiency of pulmonary ventilation and pulmonary circulation occur?
a. the surface area of the respiratory membrane is increased
b. blood flow and air flow are coordinated
c. distances involved in gas exchange are small
d. the gases are liquid soluble
Answer: b. blood flow and air flow are coordinated
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__________, the smallest of the leukocytes, characteristically have a large spherical nucleus that occupies most of the cell
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What three elements form the filtration membrane?
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Indicate whether the statement is true or false