---

---

Select your answer:
         

Next Quiz >

Topics:

Nutrition - Digestive System Biology Assessment Plasmid Body Fluids and Blood Cells Breath Cell and Tissue Lungs The Cardiovascular System: Blood Vessels and Hemodynamics Disease, Illness and Sickness Cell Diseases of The Nervous System Levels of Organization Anatomy and Physiology Inhalation Injury Bacteria, Viruses, Protozoa Fungi

Other quiz:

Digestive System › View

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

---

Biology › View

The most basic unit of a living organism is…

A. A box

B. A cell

C. A cellular component

D. A battery

---