Which animals use air sacs to ventilate their lungs?
A) reptiles
B) horses
C) birds
D) frogs
Correct Answer:
Verified
Q18: Why is proper ventilation important for a
Q19: If N2 gas comprises 79% of atmospheric
Q20: Through what process is O2 transported into
Q22: How is most O2 transported in the
Q24: Which lung volume keeps the lungs from
Q25: Which term refers to the respiratory surfaces
Q26: Which event occurs in lung blood?
A) Plasma
Q28: What happens to the chest cavity and
Q82: Humans ventilate their lungs by negative pressure
Q83: Alveoli are surrounded by pulmonary capillaries .
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