Sexual characteristics are classified into:

They connect
the ovaries to the uterus

It is a muscular tube
between the uterus and the
outside of the body.

They contain the female sex cells, known as egg cells or OVA.

It is a hollow
organ with a muscular wall.
The baby develops here during
pregnancy.

It is the external part of the female reproductive system.
It is formed by folds of skin called LABIA.

It is a tube that
transports semen to the
outside of the body.

It is the organ that contains the urethra.

They produce sperm, which contains the male sex cells, known as sperm cells or SPERMATOZOA.

It produces liquids
which help to transport spermatozoa
and provide them with nutrients.
The mixture of these liquids and sperm is called SEMEN.

They are fine tubes
that connect the testes to
the urethra.

Female sex cells are called ...

MALE SEX CELLS are called ...

During puberty, girls start to realease
egg cells as part of a monthly period known as the ...

It occurs when a sperm cell joins with an egg cell.

It is the period from the moment of fertilization until the
birth of a baby. It lasts about nine months.

ball of cells

The embryo is surrounded by a sac called

the embryo and the placenta are connected by the

The process of giving birth is called a

It is the period when the mother´s breasts produce milk.

It consists of the baby feeding on its mother´s milk.

The initial embryo develops into a