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Body Fluids and Circulations
Define a cardiac cycle and the cardiac output.
Cardiac cycle : The sequence of changes which occur between two consecutive heart beats is called cardiac cycle. It involves contraction phase called systole and relaxation phase called diastole.
Cardiac output is the amount of blood pumped by ventricle into the arterial system.
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Sino-auricular node is called pacemaker of our heart. Why?
Write the differences between
(d) P wave and T wave
Write the differences between
Systole and diastole
Write the differences between
(a) Blood and lymph
Write the differences between
Open and closed circulatory system
What is the differences between lymph and Blood?
How many times does a heart beat per minute?
What is the function of bicuspid valves?
What is the function of tricuspid valves?
Why circulatory system is absent in sponges?
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