What is the purpose of the valves in the heart?
A. To prevent pathogens from entering the heart
B. To control how fast the heart beats
C. To keep the blood flowing in only one direction
D. To separate the heart into two sides
Topics:5 Major Food Groups Body Diseases and Preventions Mycology Brain Transport system in Living Things (Human) My Teeth Infection Control How the Eyes work Pulse Endocrinology Biocomposite Infection Cell Review CLPT, M.Pharmacy, Pharmaceutics; Regulatory Affairs
Other quiz: Digestive System
Salivary gland secrete……… in the……..
A. Saliva_ mouth
B. Saliva_ oesophagus
C. Gastric juice_ stomach
D. Pancreatic_ small intestine