Cardiovascular System and Respiratory System

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Across
  1. 3. Made from fatty foods that we eat. There are two types of it.
  2. 4. An effect of regular exercise on the Cardiovascular system is Cardiac ........?
  3. 5. Allows us to chew and breathe at the same time.
  4. 7. Oxygen attatches to this in a red blood cell.
  5. 8. Flap at the back of our throat, which closes when we swallow food to stop it going down the trachea.
  6. 10. Smallest type of blood vessel, found in hands and toes.
  7. 12. cage Protects the organs such as the lungs.
  8. 13. Deoxygenated blood returns to the heart through this.
  9. 14. Thin walled, spongy sacs that fill when we breathe.
  10. 15. Take blood TO the heart.
Down
  1. 1. Contracts downwards to allow space for chest to expand.
  2. 2. Scientific name for the windpipe.
  3. 3. We exhale to get rid of this.
  4. 6. The main artery.
  5. 9. volume The amount of blood ejected from the heart per beat.
  6. 11. Take blood AWAY from the heart.