One of these is a female primary sexual characteristic:

One of these is a male primary sexual characteristic:

One of these is a male primary sexual characteristic:

How often does the ovary release an egg cell?

Where does fertilisation take place?

The foetus develops inside a bag called the...

The foetus and the mother are connnected by the...

One of boys secondary sexual characteristic is...

One of girls secondary sexual characteristic is...

Tube that carries sperm or urine

Soft bag where the baby develops:

Tubes that allow the passage of sperm to the urethra:

Organ that contains the urethra:

Tube that connects the cervix to the vulva:

Female sex cells are called ova or egg cells.

Sperm is produced in the prostate gland.

Ova and spermatozoa develop during puberty.

The urethra can carry sperm or urine.

Ova are produced in the uterus.

Ova and spermatozoa are the same size and shape.

The zygote divides many times to form an...

An ovum is released by one of the...

The fertilised ovum is called a...

El espermatozoide se une al óvulo en...

El embrión se se une él mismo a las paredes del...