OD 4 - UNIT 12

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Across
  1. 5. The smallest tubes in the body that carry blood.
  2. 6. Long, thin pipes for liquid or gas.
  3. 7. The tube in your throat that carries air to the lungs.
  4. 9. The tubes in your body that carry blood away.
  5. 11. The muscle between your lungs and your stomach that helps you to breathe.
  6. 13. The red liquid inside your body.
  7. 15. A group of things or parts that work together.
Down
  1. 1. The part of the body that makes the blood go around inside.
  2. 2. Small tubes in your body that carry blood to the heart.
  3. 3. Very large, important, or serious.
  4. 4. Presses something hard.
  5. 8. A gas that people and animals breathe out.
  6. 10. Forces a gas or a liquid to go in a particular direction.
  7. 12. The beating of your heart that you feel in different parts of your body.
  8. 14. The two parts inside your body that you use for breathing.