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What Causes the Opening and Closing of the Heart Valves

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What causes the opening and closing of the heart valves?


Definitions:

Product Shortage

A situation where the demand for a product exceeds the supply available in the market.

Quantity Demanded

The total amount of a good that consumers are willing and able to purchase at a given price in a specified period.

Quantity Supplied

The complete quantity of a product or service that suppliers are prepared to offer for sale at an established price during a defined timeframe.

Price Of Product

The amount a customer pays to acquire a product or service.

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