Unit 1 and Unit 2 Crossword

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Across
  1. 4. A group of cells working together
  2. 6. The body system that covers the body with skin, nails, and hair.
  3. 7. A stimulus that is occurring from the inside of the organism.
  4. 8. A combination of organs working together.
  5. 10. Will always be in the middle of the levels of organization.
  6. 12. Chewing food and muscle contractions represent this type of change.
  7. 13. The most complex level of organization.
  8. 14. The smallest and most basic unit of life
  9. 15. The body system that is responsible for breaking down food.
  10. 16. The body system that filters excess fluid waste out of the body.
  11. 19. Peptidase enzymes breaking down food represents this type of change.
Down
  1. 1. The body system that is made of bones, and it works with the muscular system.
  2. 2. The body system that allows the body to move.
  3. 3. The body system that carries oxygen, nutrients, and hormones throughout the bloodstream.
  4. 5. A stimulus that is occurring from the outside of the organism.
  5. 9. The body system that is made of glands and makes hormones.
  6. 11. The body system that is used to produce offsprings.
  7. 17. The body system that exchanges oxygen and carbon dioxide.
  8. 18. The body system that controls all of the other systems that will help the body maintain balance.