Which sense involves airborne molecules passing over five
million nerve fibers with the receptor proteins on the surface of these fibers being stimulated by these molecules, causing signals to be sent to the brain?
a. hearing
b. touch
c. smell
d. taste
ANSWER: c
Psychology
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A) permits food and oxygen to reach the organism B) provides the fetus a cushion against jolts caused by the mother’s movements C) helps regulate the fetus’s body temperature D) helps the vernix stick to the skin
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__________ children in the United States lives in a family that includes a grandparent
a) One in 5 b) One in 10 c) One in 20 d) One in 35
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