5. Mechanical
6. chemical
7. amino acids
8. enzymes
9. c. chewing makes food smaller
10. c. molars
11. a. premolars
12. b. incisors and canines
Beta-adrenergic blockers will reduce the heart's demand for oxygen
I pretty sure its true. Sorry if I'm wrong.
Answer:
It's called cellular respiration process.
Explanation:
