Topic 7 - Breathing and heart rate

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Aerobic capacity

VO2

VO2 (max)

Cardiac output

Stroke volume

Myogenic

AVN

SAN

Purkyne fibres

Bundle of His

Tidal volume

Vital capacity

Minute ventilation

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Atrioventricular node

Volume of blood pumped out by heart in one minute.

Volume of air taken into lungs in one minute

Bundles of porcine fibres

Sinoatrial node

Maximum volume of air we can inhale and exhale

Volume of oxygen consumed in one minute during maximum exercise.

Volume of oxygen consumed in one minute by a person.

Heart muscle can contract without nervous stimulation

One's ability to take in, transport and use oxygen

Muscle fibres that conduct impulses to tip of ventricles

Average volume of air breathed in and out with one breath

Amount of blood pumped out of heart in one beat


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