Multiple Choice
Aquatic animals that lack specialized internal organs for transporting respiratory gases
A) may have flat,leaflike bodies.
B) get rid of CO2 by diffusion.
C) may have cells organized around extensive internal passageways through which water circulates.
D) have cells that are all close to the respiratory medium.
E) All of the above
Correct Answer:
Verified
Correct Answer:
Verified
Q3: External _ are highly branched folds of
Q32: In mammals,neural control of breathing is a
Q33: The rate of gas exchange in mammals
Q34: In birds,upon exhalation,air sacs are _,air passes
Q35: Which sequence represents the correct pathway of
Q36: The respiratory system of insects consists of<br>A)
Q38: The bulk flow of air or water
Q39: If you are healthy,the blood and
Q40: Chemoreceptors on the surface of the medulla
Q42: When you are at rest,the process of