Journey Of A Sperm Cell

Question 1

Stage 1

Answer 1

Sperm is produced in the testes, and then transported via the sperm duct to the urethra.

Question 2

Stage 2

Answer 2

The urethra deposits semen via the penis into the vagina

Question 3

Stage 3

Answer 3

The sperm swim through the cervix and into the uterus. Only a fraction of the millions of sperm deposited reach the oviducts.

Question 4

Stage 4

Answer 4

Ovulation causes the egg to move through the oviduct and one sperm fuses with the egg to fertilise it and form a zygote

Question 5

Stage 5

Answer 5

If there is no egg the sperm can only survive in the uterus for another 1-2 days before they die