Unit 3- 3D

About Blood

The blood work in transport system

Carries substences

food

Oxygen

Carbon Dioxide

others importants substences

There are two kinds of blood cells

Red blood cells :

White blood cells

Carry oxygen

Fight infections and diseases

Adults have about five litres in your body

When you have accident, you can lose a lot of blood

But, when the person can't make quickly, she needs to get from another person

there are differents types

die: 3 mounths/ Make: all the time

Main: A,B,AB.O

There are 20 differents types