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The male reproductive system





The male reproductive system consist of:

- Testes

- Sperm duct

- Prostate gland

- Penis

- Urethra




[3] From Znotes CIE IGCSE Biology - 16.7 Sexual Reproduction In Humans




The two testes (one is called a testis) are contained in a bag of skin called the scrotum.

They have two functions:

- to produce sperm (the male gametes or sex cells)

- to make the hormone testosterone [1]

Sperm duct

The sperm pass through the sperm ducts, and mix with fluids produced by glands (seminal vesicles).

The fluids provide the sperm cells with nutrients.

This mixture is called semen. [2]

Prostate gland

- makes seminal fluid [3]


The penis has two functions:

- to pass urine out of the body from the bladder

- to pass semen into the vagina of a woman during sexual intercourse [4]


The urethra is the tube inside the penis that can carry urine or semen.

A ring of muscle ensures that urine and semen do not get mixed up. [5]

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