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Indicate the proper order of the events during the cardiac cycle by placing numbers in the blanks preceding the events in sequence.The first and last events are already indicated as a guide.
_____ AV valve open; aortic valve closed; ventricular filling occurring
_____ blood ejected from the ventricle
_____ isovolumetric ventricular relaxation
_____ atrial contraction
_____ AV valve opens; ventricular filling occurs again; one cardiac cycle is complete
_____ aortic valve opens
_____ SA node discharges
_____ ventricular filling complete
_____ ventricular relaxation begins
_____ aortic valve closes
_____ isovolumetric ventricular contraction
_____ ventricular contraction begins; AV valve closes
Trade
The trade of goods, services, or both among two or more entities, either within a single economy or across different ones.
Producer Surplus
The difference between what producers are willing to accept for a good or service and what they actually receive.
Trade
The exchange of goods, services, or both between two or more parties, either within a country or between countries.
Consumer Surplus
The difference between the total amount that consumers are willing and able to pay for a good or service relative to what they actually pay.
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