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During the cardiac cycle valves that ope...

During the cardiac cycle valves that open at the end of isovolumetric contraction

A

Tricuspid valve

B

Semilunar valves

C

Bicuspid valve

D

Both (1) & (3)

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Define cardiac cycle and cardiac output.

Which of the following statement is CORRECT ? I. Heart, the mesodermally derived organ, is situated in the thoracic cavity, in between the two lungs , slightly tilted to the left. II. During joint diastole , tricuspid and bicuspid valves are open and the semilunar values are closed. III. The first heart sound (lub) is associated with the closure of the tricuspid and biscuspid valves whereas the second heart sound (dub) is associated with the closure of the semilunar valves . IV. Neural signals through the sympathetic nerves can increases the rate of hearbeat, the strength of ventricular contraction and thereby the cardiac output.

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AAKASH INSTITUTE ENGLISH-TEST 5-EXAMPLE
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  9. Movement of ions into symplast area of a plant cell

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