Across
- 5. tiny finger-shaped structures
- 6. large muscular sac that continues the mechanical and chemical digestion of food
- 8. a group of similar cells that perform the same function.
- 9. absorbs water
- 10. tiny sacs of lung tissue
- 12. The basic unit of structure and function in living things
- 13. System group of organs that work together to perform a specific function
- 15. a collection of tissues
Down
- 1. where digestion begins
- 2. System breaks down food into smaller molecules.
- 3. filters waste from the blood
- 4. absorbs nutrients
- 7. System transports oxygen, waste, and nutrients around the body.
- 11. an organ that exchanges oxygen and carbon dioxide with the blood
- 14. Blood Cell blood cells that carry oxygen from the lungs