Select your answer:
Topics:
Cell Biology & Biotechnology Gastroenterology Pathogens Vitals World Health Day HCMA - Hematology Non-Communicable Disease My Teeth Composition Of Human Blood Inheritance Health & Wellness Vocabulary Foodborne Illness Cardiology Components of Food Energy, Hydrology, MicrobiologyOther quiz:
Mouth - Stomach › ViewEnzymes (chemicals) in your saliva help break down food while chewing. This is…
A. Mechanical digestion
B. Chemical digestion
Respiration in Organisms › View
What are the respiratory organs in mammals?
A. Gills
B. Trachea
C. Skin
D. Lungs