Medical Quiz
Cardiovascular System Quiz

During a heartbeat, what do the ventricles do while the atria relax?

A. Contract

B. Relax

C. Vibrate

Select your answer:
A  B  C  D  E 


Atoms and Radioactivity My Teeth Principle of Health Science A Treat For Mosquitoes Innate Immunity Histology - Tissues The Blood Musculoskeletal System Tenses Skeleton Pathophysiology_Endocrine Conjunctivita Excretory System Food and Nutrition Musculoskeletal Injuries & Workstation Design

Other quiz: Circulatory System

A fish’s heart has ___ chambers.

A. 1

B. 2

C. 3

D. 4