★ Cardiovascular System Quiz
During a heartbeat, what do the ventricles do while the atria relax?
A. Contract
B. Relax
C. Vibrate
Select your answer:

Topics:
Fitness Cardiovascular System Anatomy HCMA - Hematology Head and Neck Anatomy Skin Appendages Biochemistry Excretion-Dialysis Transport System Infant Nutrition Dental Specialties Nasal Polyp Water Macromolecules Microorganism - Diseases Forensics: Blood Bonding and the Periodic TableOther quiz:
STNA (State Tested Nursing Assistant) › ViewPhysical disabilities, psychological attitudes & prejudice, and cultural diversity are common causes of?
A. stress
B. communication barriers
C. nonverbal communication
D. factors contributing to good health
Biology › View
Which is biggest in size?
A. Fungi
B. Bacteria
C. Viruses