U2LS9PT Part I

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Across
  1. 1. A system that allows food to go in and digest the food.
  2. 3. the smallest level in the hierarchy.
  3. 5. When many different organs combine to work together.
  4. 8. A system to take in oxygen remove carbon dioxide and water
  5. 9. A human body system helps keep the body shape.
  6. 10. A human body system help collect information and also gives out information.
  7. 12. An organ that helps the circulatory system function.
Down
  1. 2. Homeostasis maintains the ________ of an organism.
  2. 4. group of organism combine it creates ______
  3. 6. A system prevent organism to go extinct.
  4. 7. system that allows movement by contracting.
  5. 11. blood cells carry oxygen from our lungs throughout our body.