Science Terms

The blood cells that your body could not use the oxygen that you breathe in without

Most of the Red blood cell is made up of this contains iron is a protein

Body's Disease fighters

Cell Fragments that play an important part in forming blood cells

A network system of veinlike vessels that returns the fluid to the bloodstream

it turns into this after it is in the lymphatic system. Consists of water and dissolved materials such as glucose.

filter lymph, trapping bacteria and other disease-causing microorganisms in the fluid