Male Reproductive System

Male Gamete: Sperm

2. Gonads (testes)

Produce sperm and testosteroneTestosterone: hormone that give a male

secondary sex characteristics (deep voice, facial hair, etc.)

Puberty

Age when secondary sex characteristics appear

1. Scrotum

Sac that holds testes outside the body wall. This provides a lower temperature for sperm production.

3. Epididymis

Area that stores sperm in the upper part of the testes.

Area where sperm matures

4. Vas Deferens

Tube that carries sperm out of the testesVasectomy – procedure where the Vas

Deferens are cut to prevent sperm from leaving the body. Method of preventing pregnancy.

10. Urethra

Tube that joins with the Vas DeferensCarries sperm and urine out of the body.

7. Seminal Vesicles

Gland that secretes fructose (sugar) which provides energy for sperm

9. Prostate Gland

Secretes an alkaline (basic) substance. This neutralizes the acid in the environment that is harmful to sperm.

Produces semen to nourish and carry the sperm.

Fluids That Help Transport Sperm

Semen – mixture of fluid and spermThe fluid in semen provides a watery

environment for sperm to move.

5. Bulbourethral Gland

Secretes fluids that protect the sperm

11. Penis

Has some bone tissue, so it can be fractured. This is why male athletes wear a cup.

Ejaculation- Process that moves sperm out of the urethra

Spermatogenesis