Which heart structure sends blood into the aorta??
A) pulmonary artery
B) right atrium
C) pulmonary vein
D) left ventricle
D
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Describe in detail how the two natural sleep drives function. Provide four examples—two for each drive—of ways to strengthen these drives for improved sleep.
What will be an ideal response?
Which of the following statements regarding alcohol use in the United States is true?
A. About 40 to 45 percent of adults who drink are considered heavy drinkers. B. About 90 percent of adults drink alcohol. C. About 25 to 30 percent of adults call themselves abstainers. D. About 50 percent of college students drink alcoholic beverages.
Which of the following statements about anal sex is correct?
a. Many STIs can be spread by anal intercourse due to small tears in the rectal tissue. b. Women incur a greater risk of being infected with HIV from anal sex. c. Monogamous partners who are both infection-free are at no risk of any STI. d. all of these choices
At what noise level does the risk increase for injury and hearing loss?
A) 75 decibels B) 85 decibels C) 95 decibels D) 105 decibels