Medical Quiz
Cardiovascular System Quiz

What is the main organ of the circulatory system?

A. small intestine

B. bone

C. lungs

D. heart

Select your answer:
A  B  C  D  E 

Topics:

Genetic Engineering Nervous & Endocrine Systems Medical Terminology Meiosis and intro to Genetics Healthy Living Vocabulary Pollution Respiratory and Urinary Diseases and Preventions Excretory System Genetics Year 7 Nutrition Careers in Health Care First Aid Check up Embryology Physical

Other quiz: Hospitality

Proteins that contain all nine of the essential amino acids are:

A. Incomplete Proteins

B. Complete Proteins

C. Triplex Proteins

D. Dopamine