The Scrotum Contains the Testicles

Question 1

How many testicles in one scrotum ?

Answer 1

2. It is lightly covered in hair.

Question 2

What does the scrotum function as?

Answer 2

Functions to keep the testicles 3°C cooler than the body’s temperature to keep sperm viable

Question 3

What does the Cremaster muscle do?

Answer 3

Cremaster muscle moves the scrotum closer to or farther from the body (protects)
It possesses numerous sweat glands to regulate temperature.
Also known as the ball-sack.

Question 4

What do the testicles produce?

Answer 4

Sperm and Sex Hormones

Question 5

Testicles

Answer 5

(1) Two egg-shaped glands in the scrotum
(2) 2 inches long, 1 inch diameter
(3) Typically one (usually the left) hangs a bit lower to allow sliding past rather than compression
(4) two primary functions are testosterone production and Spermatogenesis.

Question 6

What do the testes secrete?

Answer 6

Hormones that manufacture sperm.

Question 7

Seminiferous tubules

Answer 7

site of spermatogenesis (sperm manufacturing plant) and dominate the structure of the testes. Each sperm consists of a head and a tail.

Question 8

Vas deferens

Answer 8

18-inch tube that carries sperm from the testicles, combines fluids from other glands, and propels the sperm

Question 9

Seminal vesicles

Answer 9

next to the ampulla of the vas deferens; secretes a nutritional bath for traveling sperm; 60-70% of the ejaculate volume; joins the vas deferens to form the ejaculatory duct that passes into the prostate and then forms the urethra

Question 10

Prostate gland

Answer 10

walnut-sized gland beneath the bladder; secretes a fluid that neutralizes the acidity of the vagina that would be lethal to sperm; 25-30% of the ejaculate’s volume

Question 11

Cowper’s (bulbourethral) glands

Answer 11

2 pea-sized glands next to the urethra, under the prostate; contributes fluid that cleans the urethra of lethal acidic urine; comprises the majority of the pre-ejaculatory fluid