Which of the statement is correct? I. The closing and opening of the heart is through the valves during each heart beat II. The movement of the impulse passes from the SA node to all the regions of the heart wall III. The number of the times the heart beats in one minute is 60 IV. Change in the blood volume in all the chambers of the heart occurs during the cardiac cycle The option with correct statements is |
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a) |
I, II and III |
b) |
II, III and IV |
c) |
I, II and IV |
d) |
I, III and IV |
Which of the statement is correct? I. The closing and opening of the heart is through the valves during each heart beat II. The movement of the impulse passes from the SA node to all the regions of the heart wall III. The number of the times the heart beats in one minute is 60 IV. Change in the blood volume in all the chambers of the heart occurs during the cardiac cycle The option with correct statements is |
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a) |
I, II and III |
b) |
II, III and IV |
c) |
I, II and IV |
d) |
I, III and IV |