Select your answer:
Topics:
Disease & Immunity Viruses Anatomy and Physiology Arteries Regulation of Heart Rate Breathing System Radiography Micro Immunology Microbio (Viruses) Fungi/Bacteria/Biotechnology Eye Physiology Parts of the Brain Germs Specialties: Neurological and Geriatric Food for ThoughtOther quiz:
Nature of Science › ViewWhich of these explain how a natural phenomenon works or happens?
A. theory
B. law
Human Body Systems › View
Where does digestion start?
A. stomach
B. mouth
C. esophagus