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★ The Circulatory System Quiz
Prevents the backflow of blood and ensures that blood flows only in one direction.
A. valves
B. aorta
C. ventricle
D. atrium
Select your answer:
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Soldiers of Defense › ViewThis is not a method of treatment
A. Ayurveda
B. Unani
C. Allopathy
D. Electrocardiogram
Pathophysiology › View
A subjective indication of disease that is not obvious to an observer is referred to as a:
A. Suffering
B. Sign
C. Syndrome
D. Symptom