Across
- 3. 60-80% of living cells
- 6. a common disaccharide, sometimes hard to digest
- 10. cell with a nucleus
- 12. Group of similar cells
- 13. When blood vessels expand to cool the body down
- 15. Occurs when the body is too hot
- 17. Proton donors
- 18. dividing down the midline
- 19. muscle disease
- 20. lying face up
Down
- 1. the jelly-like substance between the nucleus and plasma membrane
- 2. add water to break a bond
- 4. lowers the activation energy, acts as a catalyst
- 5. cancer-causing
- 7. Abnormal condition of yellow
- 8. end in -ose
- 9. Pertaining to internal organs
- 11. the control center
- 14. study of the structure
- 16. study of tissue