Which of the following is a characteristic of phospholipids?
A) They are found in fruits, vegetables and whole grains.
B) They block the absorption of cholesterol.
C) They include sterols.
D) They are a key component of the cell membrane.
Answer: D
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Answer the following statement(s) true (T) or false (F)
1. Compared with older smokers, adolescents are less vulnerable to developing nicotine dependence. 2. The later people begin smoking, the more likely they are to become heavy smokers. 3. Evidence suggests that the tobacco industry effectively advertises its products to adolescents. 4. Smoking in films has decreased significantly since 1990. 5. Cigarettes can contain arsenic.
The respiratory system, along with the bloodstream, is responsible for the delivery of _____________ to the cells of the body
a. oxygen b. nutrients c. carbon dioxide d. sodium
During the return phase of rowing exercise, the wrist and hand joints perform extension.
Answer the following statement true (T) or false (F)
The best indicator of cardiorespiratory or aerobic fitness is ____
a. VO2 b. VO2max c. HRR d. NEAT e. RHR