Which of the following events takes place at the onset of puberty to start sexual maturation?
A) LH and FSH are released from the gonads.
B) Estradiol and testosterone are released by the gonads.
C) The pituitary secretes gonadotropin-releasing hormones.
D) The ovaries and testes release gonadotropic hormones.
E) Sexual maturation is not a hormonally dependent process.
Question 2
An example of a primary sex characteristic is ________, while ________ are an example of a secondary sex characteristic.
A) estrogen; the external genitals
B) wide hips; internal sex organs
C) a deep voice; the gonads
D) the gonads; enlarged breasts
E) a beard; the external genitals
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