Circulatory System & Exercise

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