Body Anatomy

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Across
  1. 4. These tubes carry fresh, oxygen-rich blood away from the heart
  2. 5. These hard structures provide a frame for your body
  3. 7. The largest organ and a physical barrier to protect you from pathogens
  4. 8. Little chemical messengers that tell the body on how to react
Down
  1. 1. Bean-shaped organs that help filter waste out of your blood
  2. 2. The CPU that processes all your thoughts
  3. 3. The long tube where the body soaks up nutrients from food
  4. 6. The specialized muscle only found in the heart