| A | B |
|---|
| Red blood cells | A blood cell containing hemoglobin |
| Plasma | Liquid part of the blood |
| white blood cell | A cell that helps the body fight of disease |
| hemoglobin | The substance on red blood cells that carries oxygen |
| blood vessel | A hollow tube that carries blood throughout the body |
| bone marrow | soft tissue located within the bones |
| heart | The organ that pumps blood throughout the body |
| platelet | The substance in blood that helps to control and stop bleeding |
| immun system | cells that work together to destroy invading bacteria |
| antibiotic | A drug that controls or kills disease causing bacteria |
