Animal Bodies as Systems

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Across
  1. 3. breaks down food mechanically in your mouth.
  2. 4. part of the circulatory system and acts as a pump to move blood through the body's blood vessels.
  3. 6. cluster of nerve cells or complex and made up of many structures that work together.
  4. 9. collects and processes information.
  5. 13. internal skeletal system provides support for the body.
  6. 14. provides internal and external movement for an animal.
  7. 15. takes in oxygen and releases carbon dioxide.
Down
  1. 1. breaks down food that the body uses for energy.
  2. 2. most animals need it to live.
  3. 5. a gas that is exhaled as a waste.
  4. 7. carries nutrients, oxygen, and water to all the cells of the body.
  5. 8. external skeleton on animals
  6. 10. breaks down food chemically
  7. 11. removes wastes from the body
  8. 12. an organ that helps rid the body of waste products.