Air capillaries are found in
A) mammals.
B) reptiles.
C) birds.
D) fish.
E) amphibians.
Correct Answer:
Verified
Q11: Which respiratory pigment is found only in
Q12: Lungs in fish originally evolved as a
Q13: Air enters from the buccal cavity into
Q14: The most complex respiratory system among vertebrates
Q15: In birds and mammals, the surface area
Q17: In contrast to mammals, the lungs of
Q18: Respiration in birds differs from mammals in
Q19: Thoracic wall and lungs remain in close
Q20: In birds, one breathing cycle is made
Q21: During inspiration in mammals the
A) external intercostal
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