Science review

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Across
  1. 2. Blood vessels that carry blood away from the heart.
  2. 3. Take up oxygen in the blood and deliver it to cells elsewhere in the body.
  3. 4. blood and body cells.
  4. 9. Consists of the heart, blood vessels, and blood.
  5. 12. First person to see bacteria from dental scraping called the small organisms that he saw animalcules (last name only).
  6. 13. Stated that all cells come from preexisting cells (last name).
  7. 14. Part of blood that is responsible for clotting.
Down
  1. 1. The body's disease fighters.
  2. 5. Hollow, muscular organ that pumps blood throughout the body.
  3. 6. Flaps of tissue that prevent blood from flowing backward.
  4. 7. The liquid part of blood.
  5. 8. Blood vessels that carry blood back to the heart.
  6. 9. Place where substances are exchanged betwee
  7. 10. Said that all plants are made of cells.
  8. 11. Discovered that all animals were composed of cells (last name).