When do the testes start secreting testosterone?
A) in the first trimester of fetal development
B) in the first trimester after birth
C) in the first three years after birth
D) in the first three years of adolescence
E) after the first ejaculation
Correct Answer:
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Q29: This image shows a section of the
Q30: The penis is homologous to
A)the appendix.
B)a finger.
C)the
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