week 38= baby is born.

Week 34=baby has grown a lot of fat in the last four weeks to keep it warm when it is born.

Week 30=if born now ,the baby could live with special care.

week 26= baby opens its eyes.

Week 18 =baby has hair ,eye brows doctors can hear its heart beat. It can move …….. mother begins to feel its kicks.

Week 14= if doctor could see the baby ,they could tell if it wasa boy or a girl.

Week 10=babys finger and toes grow .it can move its arms and legs a little .it can even swallow.

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Week 6=embryo begins to look like a human ears , hands and feet begin to grow. Heart begins to beat.

week 2= embryo eyes begin to debelop .its legs and arms are tiny bumps

Week 1 =enbryo becomes attached to the womb.

Baby tha first nine moths
We are used to thinking of a baby being age o on the day it is born but it has been growing for about nine months before it enters the world .
This is what happens in the / week o = egg is fertilised in the tube.

Fertilisation
Has to take place before a new animal can grow. The sperm and the egg join up, making a fertilized .the new animal grows from this fertilized egg which divides, producing more and more cells.
Intestine cell :cells which take in or absorb food
Fat cell: cell which store food
Nerve cell: cells which carry messages round the body
Red blood cell: cells which carry chemical round your body
Cell in the nose: cells which allow chemicals to pass through channels between then.
Cells in the wall of a blood capillary :cell with tiny hairs which move liquids over their surface.

Reproduction in animals
Only the simplest animals reproduce by diving in two. Most animals in clouding humans reproduce special sex cells for reproduction. There are usually two types of sex cell .the smaller of the two can move on its own. It is called the male cell or sperm. The large one cannot move on its own .it is called the female cell or egg.