BLOOD

Why do we need blood?

We need blood to carry oxygen throughout our bodies!


We all have three types of blood cells.



Red Blood Cells

Red blood cells carry oxygen to your cells.


Like a bus!


Big image

White Blood Cells

White blood cells protect your body against infections.



Like an army!

Big image

Platelets

Platelets help the heal you when you get a cut.



Like a band-aid!

Big image