Across
- 3. p_________ artery and p________ veins
- 4. movement of water from high to low conc
- 8. respiration without oxygen present
- 9. the measure of species in an environment
- 12. drug given to treat coronary heart disease
- 13. Fake drug
- 14. germ
Down
- 1. blood vessel taking blood to the body
- 2. part of cell used in photosynthesis
- 5. finger like projections in the small intestine
- 6. dioxide gas needed for photosynthesis
- 7. movement of particles from high to low conc
- 10. gas carried by red blood cells
- 11. How do plants make their own food?