Medical Quiz
Beneath the Skin Quiz

The main organ of your respiratory system is the

A. heart

B. lungs

C. blood vessels

D. nose

Select your answer:
A  B  C  D  E 


Nervous System Genetics Skin Structure Excretory System Heart Anatomy Respiratory System Histology: Cell & Epithelial Tissue The Human Body Nutrition in Animals Fluid and Electrolytes Body Types of Reproduction Health Unit Coordinating Branches of Microbiology Food

Other quiz: Health

A: 911. State your …………………?

B: My son fell down the stairs.

A. injured

B. emergency

C. location

D. remain