Across
- 3. What your body needs to move and stay active.
- 5. Exercise that strengthens the heart and lungs.
- 7. Liquid released by the skin to help cool the body.
- 8. The process of taking in oxygen and releasing carbon dioxide.
- 11. The movement of blood throughout the body.
- 12. The organs that help you breathe and take in oxygen.
- 14. The organ that pumps blood through your body.
- 15. A cell that carries oxygen in the blood.
Down
- 1. Substances in food that help your body grow and function.
- 2. The liquid that carries oxygen and nutrients through the body.
- 3. Physical activity that keeps your body healthy and strong.
- 4. A body tissue that helps you move.
- 6. A blood vessel that carries blood away from the heart.
- 9. A gas your body needs to make energy.
- 10. The beat you can feel when your heart pumps blood.
- 13. A blood vessel that carries blood back to the heart.