Across
- 4. cancer, A non-communicable disease of the chest
- 5. Absorbs light to make glucose
- 7. These carry blood away from the heart
- 8. A biological catalyst
- 12. acids, The product of protein digestion
- 14. This means the best pH for an enzyme to work
- 15. Makes proteins in a cell
- 16. The biggest chamber in the heart
Down
- 1. An enzyme that digests starch into sugar
- 2. How substances move across membranes from high to low concentrations
- 3. tThe small air sacs which give the lungs a huge surface area
- 6. The protein in red blood cells which binds with oxygen
- 9. Makes energy in the cell
- 10. A communicable disease or infection
- 11. The smallest chamber in the heart
- 13. These carry blood to the heart