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Anatomy and Physiology- Cardiovascular Sysytem › ViewAt the instant following the second heart sound, which heart valves are open?
A. Both atrioventricular valves and semilunar valves
B. Atrioventricular valves only
C. All valves are closed
D. Semilunar valves only
Medical Terminology › View
What is the difference between red and yellow bone marrow
A. There is no difference
B. Yellow makes blood & red does not
C. Red makes blood & yellow stores fat