| A | B |
|---|
| Blood containing lots of oxygen | Oxygenated blood |
| Blood containing less oxygen | Deoxygenated blood |
| Required to pump blood around the body | Heart |
| The number of chambers in the heart | Four |
| Carries blood away from the heart | Artery |
| Carries blood towards the heart | Vein |
| Where the heart first pumps blood to | Lungs |
| Where they the heart next pumps blood to | The rest of the body |
