A mass of similar cells that performs a specific function.

A part of a living organism that is composed of tissue organized to perform a certain function.

The rich lining of tissue that builds up along the walls of the uterus and connects the mother to the baby

A fertilized egg cell

Attaches to the baby’s navel and grows out of the placenta.

The fertilized cell that is dividing up till 8 weeks of lie

The developing baby after 2 months

When the egg cell and the sperm unite (connect) to make a fertilized egg.

The egg cell(ova) and the sperm cell are the reproductive cells needed to create a human.