Across
- 3. system responsible for absorbing nutrients and getting rid of waste
- 5. the study of living things
- 6. to control or mainstain balance
- 7. The body's largest organ that protects from dirt, dust and bacteria
- 8. different types of tissue working together to do the same job
- 9. hard tissue that makes up the tissue
- 10. gas essential for respiration
- 14. system responsible for carrying blood and oxygen
- 16. made of amino acids; essential for body structure
- 17. Molecule that carries genetic instructions
- 18. tissue found in the brain, spinal cord, and nerves
- 19. A group of cells that have similar shape/function
- 20. tough yet flexible material found in joints
Down
- 1. specialized structure within a cell
- 2. boundary that controls what enters and what exits a cell
- 4. control center of the cell
- 6. system responsible for breathing
- 11. a microorganism that can cause illness/disease
- 12. nerve cell that sends electrical signals
- 13. Jelly-like substance inside a cell
- 15. tissue that supports parts of the body