The primary function of the respiratory system is the
A. destruction of toxic metabolic by-products.
B. transmission of nervous impulses.
C. exchange of oxygen and carbon dioxide.
D. production of red blood cells.
Answer: C
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According to survey research, do athletes generally meet the recommendations made for total daily carbohydrate intake?
a. Non-endurance athletes do but endurance athletes do not. b. Endurance athletes do but non-endurance athletes do not. c. Male athletes do but female athletes do not. d. Many athletes do not.
Ghrelin is a hormone synthesized by cells in the stomach and its primary role in the body is to
a. decrease appetite. b. stimulate appetite. c. induce a feeling of satiety. d. a and c
Plant sources of iron are the most bioavailable because they don't contain compounds that bind iron and render it less absorbable
a. True b. False Indicate whether the statement is true or false
"Catch up" growth is possible after the epiphyses have closed.
Answer the following statement true (T) or false (F)