During the Cardiac Cycle,what Makes the Aortic and Pulmonic Valves

question 61

Multiple Choice

During the cardiac cycle,what makes the aortic and pulmonic valves close after the ventricles contract?

• A) The papillary muscles relax,which allows the valves to close.
• B) Chordae tendineae contract,which pulls the valves closed.
• C) Reduced pressure in the ventricles creates a negative pressure,which pulls the valves closed.
• D) Blood fills the cusps of the valves and causes the edges to merge,closing the valves.

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A saver is an individual or entity that allocates a portion of income or resources for future use rather than immediate consumption, often with the aim of earning interest or investment income.

Investor

An individual or entity that allocates capital with the expectation of receiving financial returns.

National Saving

The total amount of savings in a country, equal to the sum of private and public savings; it represents the difference between a nation's income and consumption.

Public Saving

The difference between tax revenues and government spending, representing the amount of surplus or deficit in the government's budget.