Regarding oral-genital sex,
a. the large majority of young adults engage in oral-genital relations
b. more people enjoy receiving it than giving it
c. it is less common among African Americans than other groups
d. all of the above
Question 2
When Yao jumps into the cold swimming pool, his testicles seem to move up and closer to his body. Why?
A) His vas deferens and dartos muscles are contracting in response to the cold.
B) His cremaster and dartos muscles are contracting to keep his testes warm.
C) His spermatic cord is relaxing in order to keep his sperm warm.
D) His dartos muscle is contracting in order to cool his sperm.
A mother nursing her young blends into a stand of deadwood.
Large intestine
Both men and women gain weight in young adulthood and middle adulthood, losing in the late 50s, but
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