Sperm develop in the _____. |
seminiferous tubules |
Sperm exit a male’s body via the _____. |
urethra |
Which pituitary secretion stimulates sperm production? |
FSH |
Which pituitary secretion stimulates the testes to secrete androgens? |
LH |
Which hormone(s) is(are) directly responsible for triggering the development of the secondary sex characteristics of males, such as beard growth? |
androgens ( Androgens, such as testosterone, are responsible for both sperm production and the secondary sex characteristics of males.) |
The secretion of androgens is regulated by a _____ feedback mechanism involving the _____ and _____. |
negative … hypothalamus … pituitary gland |
Sperm become capable of movement while in the _____. |
epididymis |
What is the usual site of the fertilization of an egg cell? |
oviduct |
A fertilized egg usually implants itself and develops in the _____. |
uterus |
Developing ovarian follicles primarily secrete _____. |
estrogens |
A rapid increase in the _____ level stimulates ovulation. |
luteinizing hormone |
Ovulation usually occurs on or about day _____ of a 28-day ovarian cycle. |
14 |
After ovulation, high levels of _____ inhibit _____ secretion. |
estrogen and progesterone … FSH and LH |
If there is no fertilization, degeneration of the corpus luteum results in a drop in _____, which results in the sloughing off of the uterus’s endometrium. |
estrogen and progesterone |
If there is fertilization, secretion of _____ by the early embryo maintains the corpus luteum. |
human chorionic gonadotropin |
Bio Ch46 Activities Quiz
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