교과서 질문
Internally, the penis contains three cylindrical erectile bodies, the paired ________ and the ________.
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Internally, the penis contains three cylindrical erectile bodies, the paired ________ and the ________.
Which of the following hormones is/are not produced by the ovaries?
a. Relaxin
b. Inhibin
c. Estrogens
d. Oxytocin
e. Progesterone
What are the three regions of the male urethra?