Body Systems

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Across
  1. 3. is where food is chewed
  2. 4. the digestive juice in your stomach
  3. 7. otherwise known as CNS
  4. 9. the main organ in your respiratory system
Down
  1. 1. the system for your bones
  2. 2. a "funny" bone (scientifically)
  3. 4. the muscle at the top half of your arm
  4. 5. the organ / muscle in your head
  5. 6. the biggest bone in your body
  6. 8. where acid breaks down your food