Multiple Choice
The ____ represent an internal respiratory system.
A) skin folds on an amphibian
B) broad, flat body of a flatworm
C) branched gill filaments
D) folds within human lungs
E) gills on a salamander
Correct Answer:
Verified
Correct Answer:
Verified
Q7: In aquatic animals, the most disadvantaged in
Q8: O<sub>2</sub>is transported from air in the lungs
Q9: Each molecule of hemoglobin can bind up
Q10: During a dive, a marine mammal experiences
Q11: A larynx is found at the beginning
Q13: A _ uses air sacs to ventilate
Q14: Alveoli are the respiratory surfaces of birds.
Q15: As altitude increases, _.<br>A) PO<sub>2</sub>increases<br>B) PO<sub>2</sub>decreases<br>C) PCO<sub>2</sub>increases<br>D)
Q16: Alveoli are surrounded by pulmonary capillaries .
Q17: The _ changes during exercise.<br>A) residual volume<br>B)