37. During exercise, which of the folce ess blood ho compared to resting conditi

Question

37. During exercise, which of the folce ess blood ho compared to resting conditions? A) gastrointestinal tract B) brain C) skin D) heart E) both A and C 38. Which of the following does NOT contribute to the rapid movemeat of gases into and out of the blood within the lungs? A) rapid blood flow B) thin membrane C) large surface area D) concentration gradient E) permeability of the membrane in 39. During intense exercise, the metabolic activity of muscle causes the movement of the partial pressure of oxygen in the tissue, oxygen into the tissue. A) a decrease: reducing B) a decrease: facilitating C) an increase : reducing D) an increase: facilitating E) no change: facilitating 40. The chemoreceptor reflex regulates ventilation primarily through sensing changes in blood PO2- A) True B) False

Explanation / Answer

37. The answer is A) gastrointestinal tract only

38. The answer is A) rapid blood flow

39. The answer is B) decrease : facilitating

I am not sure about the last one so left off... and ACCORDING TO CHEGG GUIDELINES WE HAVE TO ANSWER ONE QUESTION AT A TIME.

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