Respiration refers to
A. gas exchange between blood and tissues.
B. breathing, the movement of air into and out of the lungs.
C. gas exchange between the air in the lungs and blood.
D. gas exchange between the blood and the tissues.
E. All of these are parts of respiration.
Ans: E. All of these are parts of respiration.
You might also like to view...
The beginning of the cardiac cycle is when the
A. ventricles fill with blood. B. two semilunar valves close. C. atria contract. D. atria fill with blood. E. ventricles contract.
Blood flow through a capillary is controlled by the
A) vasa vasorum. B) plexus. C) precapillary sphincter. D) thoroughfare channel. E) venule.
DNA or RNA? ribose
What will be an ideal response?
Which of the following foods are DEFICIENT in dietary fiber?
a. rice and pastas b. milk and meat c. breads and cereals d. vegetables and fruits