Animal Structures

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Across
  1. 3. Also known as an "outside-skeleton".
  2. 5. Responsible for getting oxygen into the body
  3. 7. Controls the body
  4. 9. The structure that helps birds to regulate their body temperature
  5. 10. Some animals use this to dig, climb, or fight
  6. 11. Help certain animals to fly
Down
  1. 1. Pumps blood
  2. 2. A structure that grows on some animals' heads
  3. 4. The outer covering of humans and animals with a backbone.
  4. 6. All the bones in the body
  5. 8. Responsible for digestion
  6. 9. A very thick growth of hair on some animals