Digestive System Quiz

What starts the process of chemical breakdown?
A. Saliva
B. Oxygen
C. Hydrogen

Select your answer:
A  B  C  D  E 

Topics:

Nutrition and Calorific Value ology & phobia Endocrinology Viruses Biomolecules Careers in Health Care Medical Terminology Prefixes Selective Breeding Cardiology Services Med Terms Body Animal Genetics and Nutrition Germs & Diseases ADVBIO Genetics Chest, Back, Abs Year 7 Nutrition Branches of Medicine

Other quiz: Physical

How to hit a softball?

A. The grip

B. The stance and grip

C. The stance