Vocabulary Unit 12

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Across
  1. 2. the smallest tubes in the body that carry blood
  2. 5. the muscle between your lungs and and your stomach that helps you breath.
  3. 9. a gas that has no color or smell that people and animals breathe out.
  4. 10. the two parts inside your body that you use for breathing
  5. 11. a group of things or parts that work together.
Down
  1. 1. the red liquid inside your body
  2. 3. the part of the body that makes the blood go around inside
  3. 4. the tube in your throat that carries air to the lungs
  4. 6. the tubes in your body that carry blood away from your heart to other parts of your body.
  5. 7. the small tubes in your body that carry blood to the heart.
  6. 8. the beating of your heart that you feel in different parts of your body, especially in your wrist.