---

---

Select your answer:
         

Next Quiz >

Topics:

SSTI and Bone Infections Protozoan Diseases Excretory System Health Related Fitness Biology Knee Anatomy HHB Immunology Pathology of Respiratory System Eye Healthcare Careers CVA Bacterial Protein Synthesis Inhbitors The Ear Disease as a Failure of Homeostasis Cardiology Medications

Other quiz:

Heart Anatomy › View

The purpose of heart valves is to

A. set the pace at which the heart beats

B. prevent blood from flowing backward

C. oxygenate the blood as it passes through the valve

D. add minerals to the blood

---

Health › View

The baby is attached to the placenta by means of the __________, a bundle of three blood vessels

A. umbilical cord

B. lungs

C. placenta

---