Sex Flashcards
What happens during sexual intercourse
The sperm cells enter the vagina
What is semen
Sperm cells mixed with special liquids from the glands
What is ejaculation
When semen is forced out of the penis and into the top of the vagina.
What happens after semen is ejaculated
It is moved into the top of the uterus and the sperm cells can swim down the oviducts
Size difference between egg cell and sperm cell
A sperm is much smaller than an egg cell
What helps the sperm burrow inside
The tip of the head contains chemicals which attack the coat of the egg
Why do sperm have very little cytoplasm
So they can have a thin streamline shape
Why does a sperm have a tail
It helps it swim well
Why does the cytoplasm contain a store of food
To provide energy for the fertilised egg cell
Why does the egg cell have a jelly coat
To make sure that only one sperm can enter
What is the scrotum
The bag that holds the testes
Where does the semen leave from
The Uretha