
★ Digestive System Quiz
The human body needs a constant supply of protein to survive. The first organ of the digestive system that begins digesting protein chemically is the _____.
A. Duodenum
B. Esophagus
C. Stomach
D. Mouth
Topics:
Receptors Muscle Origin, Insertion, and Function Careers in Health Care Respiratory and Urinary Nutrition and Human Digestive System Gene Expression Health and Social Care Nutrition in Humans and Animals Respiration Differentiation and Division of Human Cells Human Anatomy and Physiology Cell Division Circulatory and Respiratory System Heart Structure and Double Circulation Health and HygieneOther quiz: DNA Structure and Function
DNA directs the sequencing of
A. amino acids
B. fats
C. ribosomes
D. traits