Stroke volume and cardiac output (HSC SSCE Personal Development and Physical Education): Quizzes

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Stroke volume and cardiac output
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What is stroke volume (SV) measured in?

mL/beat

How is cardiac output (CO) calculated?

SV × HR

What happens to the left ventricle with training?

Grows larger

What does increased blood plasma volume improve?

Oxygen delivery

What is a typical resting CO for untrained individuals?

15-20 L/min

What is the role of the Frank-Starling mechanism?

Boosts stroke volume

What is the effect of endurance training on SV?

Increases SV

What is the typical SV for trained athletes?

100-120 mL/beat

What is the primary benefit of increased CO during exercise?

More oxygen delivery

What factors influence heart changes during training?

Heart size and genetics

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