Male Reproductive System

Question 1

The primary sex organs are the organs that actually ____. Sperm, the gametes produced by the males, are produced by the ____. (The singular form of this word is “____”).

Answer 1

Produce gametes;
Testes;
Testis OR testicles

Question 2

The testes are formed within the ____, but because sorry can only be produced in the testes are ____ than the body, they descend shortly before birth into the ____.

Answer 2

Abdominopelvic cavity;
Cooler;
Scrotum.

Question 3

The scrotum is a two-chambered sac at the root of the penis. The distance from the body and surface area can be altered to increase or decrease the ____.

Answer 3

Temperature of the testes.

Question 4

The cremaster muscle ____ to increase warmth, and the dartos muscle ____ to conserve heat.

Answer 4

Elevates the testes;

Wrinkles the skin of the scrotum.

Question 5

Within the testes, sperm production, or ____, occurs in the ____, which are surrounded by endocrine interstitial cells which produce the male sex hormones.

Answer 5

Spermatogenesis;

Seminiferous tubules.

Question 6

Two types of cells are found in the seminiferous tubules: the ____ cells, which ____, and the ____ cells, which support and ____ the sperm from the body’s immune system.

Answer 6

Spermatogenic;
Produce sperm;
Sertoli OR sustentacular;
Protect.

Question 7

The cells of the seminiferous tubules are surrounded by endocrine interstitial cells which ____. These are often given the name “____”.

Answer 7

Produce the male sex hormones;

Leydig cells.

Question 8

Less than five seminiferous tubules are coiled into each of several hundred separate ____ which are regions of the testes that are separated from one another by ____.

Answer 8

Lobules;

Septa.