What events occur during contraction of the left ventricle?
1 )
The bicuspid valve opens and semilunar valve in the aorta opens.
2 )
The bicuspid valve closes and semilunar valve in the aorta closes.
3 )
The pressure in the left atrium becomes greater than the pressure in the left ventricle.
The pressure in the left ventricle becomes greater than the pressure in the aorta.
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