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