ppt dk 1 official

7/26/2019 PPT Dk 1 Official

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Diagram Wiggers


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Basically, the Frank-Starling mechanism means that the


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Frank starling

Basically, the Frank Starling mechanism means that the

greater the heart muscle is stretched during filling,

the greater is the force of contraction and the greater

the quantity of blood pumped into the aorta. Or, stated

another way: ithin physiological limits, the heart pumps

all the blood that returns to it by way of the !eins.


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"iagrammatic representation of the nature of the

functional syncytium in the myocardium. #he colored

line represents the path of e$citation through the

myocardium as it passes from cell to cell through gap

%unctions at cardiac ne$i.


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NORMAL VALUES FOR CARDIACOUTPUT AT REST AND

DURING ACTIVITY&'( the basic le!el of body metabo-

lism,

&)( whether the person is e$ercising,

&*( the person+s age, and

&( the sie of the body.

/ 0


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