How many times does a heart beat per minute?
What is the function of bicuspid valves?
What is the function of tricuspid valves?
Tricuspid valves or is present between the right atrium and the right ventricle. The function of the valve is to prevent back flow of blood from the ventricle into the right atrium.
Why circulatory system is absent in sponges?
What does the QRS wave represent in an ECG?
Name a animal having open circulatory system.
What are vasa vasorum?
What is ECG?
What is Tachycardia?
Define Bradycardia.
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