The Reproductive System - The Male Reproductive System Part 4 Flashcards
Leydig cells in the testes produce a class of hormones called ____
androgens
Androgens are produced in response to the luteinizing hormone (LH) and follicle-stimulating hormone (FSH), which are both secreted by the ____
pituitary gland
The most important androgen produced by these cells is ____, the male sex hormone
testosterone
Age ____ or ____ is the typical period of sexual maturation known as puberty
12 or 13
Once the sperm is produced, it’s secreted from the seminiferous tubules into the epididymis, a ____-foot-long tube coiled tightly into a two-inch space along the length of the testicle
16
A single sperm looks like a microscopic tadpole. Its oblong head region contains ____
genetic material
The tail, called a ____, enables the sperm to “swim” through the female reproductive tract
flagellum
Each ejaculation of semen contains approximately one teaspoon’s worth of fluid, which contains ____ million sperm
300 million