Across
- 3. A collection of tissues that carry out a specialized function of the body
- 6. a cell fragment that plays an important part in forming scabs.
- 7. A blood vessel that carries blood away from the heart.
- 9. A blood vessel that carries blood back to the heart.
- 10. An organ that exchanges oxygen and carbon dioxide with the blood
- 11. Liquid part of blood
- 12. A blood cell that fights disease.
- 14. group of organs that work together to perform a specific function
- 15. upper chamber of the heart
- 16. A group of similar cells that perform the same function.
Down
- 1. Large, flat muscle at the bottom of the chest that helps with breathing
- 2. lower chamber of the heart
- 4. Blood cells that carry oxygen from the lungs to the body cells.
- 5. The basic unit of structure and function in living things
- 8. smallest blood vessel; connects arteries and veins - is where stuff is being delivered and picked up.
- 13. Allows air to pass to and from lungs