Select your answer:
Topics:
Polio All About Blood Cardiology Introduction to Histology Joints in our Body History of Psychology Diseases and Preventions Cell Structure and Function Concept Physical Activity Medicine on the Western Front Cell Theory & Melanoma Biological Molecules Joints and Range of Motion Tib/Fib, Knee and Femur Medical TerminologyOther quiz:
The Vascular System and Blood Flow › ViewWhat is the function of the one-way valves in veins?
A. Ensuring the flow of blood can only go back to the heart
B. Creating a difference in pressure between the veins in the chest and abdominal cavities
C. Assisting in the distribution of blood to different organs
D. Regulating blood clotting
The Skeletal System › View
Which term best describes the joints at the top of your skull?
A. Motionless
B. Flexible
C. Rubbery
D. Elastic