Unit Test Review

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Across
  1. 2. Voluntary muscles you can ______
  2. 4. These open and close to keep blood moving the right way
  3. 8. This muscle helps you breathe in and out
  4. 9. These carry blood AWAY from the heart
  5. 10. Elimination is getting rid of ______
  6. 11. The heart is made of this type of muscle (it beats by itself)
  7. 14. System This system breaks down food
  8. 16. Absorption is when nutrients go into your ______
  9. 19. This gas goes INTO your lungs
  10. 21. These tiny tubes connect arteries and veins
  11. 22. These connect muscles to bones
Down
  1. 1. Muscles help your body ______
  2. 3. System This system helps you ______
  3. 5. The right ventricle sends blood to the ______
  4. 6. Bones give your body shape and ______
  5. 7. A place where two bones meet is a ______
  6. 9. The top chambers of the heart fill with ______
  7. 11. There are two types of digestion: mechanical and ______
  8. 12. Dioxide This gas goes OUT of your lungs
  9. 13. Blood Cells These cells carry oxygen
  10. 15. These tiny air sacs help you get oxygen
  11. 17. A nutrient is something your body needs to ______
  12. 18. These carry blood BACK to the heart
  13. 20. Blood Cells These cells fight germs