Across
- 3. New blood is produced here
- 8. Blood goes into the heart through these
- 9. Blood goes away from the heart through these
- 10. This side of the heart pumps to the lungs
- 11. The colour of the blood
Down
- 1. These are the bottom two chambers of the heart
- 2. An animal that only eats plants
- 4. These blood cells fight infection
- 5. This side of the heart pumps to the body
- 6. The organ that pumps blood
- 7. The organ where oxygen enters the body
- 9. These are the top two heart chambers