The mechanism that triggers breathing in humans is true for
A) all vertebrates.
B) just terrestrial vertebrates.
C) just aquatic vertebrates.
D) only humans.
E) only humans and invertebrates.
Correct Answer:
Verified
Q33: What respiratory adaptation was important for the
Q34: _ are used for respiration by terrestrial
Q35: During an asthma attack,allergens trigger the release
Q36: Alveoli are used for gas exchange in
Q37: In emphysema,the aveoli are reduced in number
Q38: In the countercurrent exchange in a fish's
Q40: CO2 is more easily transferred into water
Q41: Air enters human lungs from the mouth
Q42: The large number of alveoli in lungs
Q43: In humans,each lung contains about _ alveoli.
A)300
B)300
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