PE

Define tidal volume and explain what changes occur during exercise
volume inspired and expired per breath, increases.
1 of 8
define partial pressure
the pressure that is exerted by an individual gas when it exists with a mixture of gases.
2 of 8
name the three neural receptors that report to the cardiac control centre
barorecptors, chemoreceptors, proprioceptors.
3 of 8
define Frank-Starling mechanism (starlings law)
the mechanism by which an increase in venous return leads to a stronger ventricular contraction and a consequential increase in stroke volume.
4 of 8
define vasoconstrict and vasodilate
vasoconstrict - reduction in the diameter of artey and arterole walls vasodilate is an increase in the diameter of artery and arteriole walls
5 of 8
what is the function of pocket valves
aids return of blood to heart, ensuring there is no backflow
6 of 8
what aids the venous return mechanism
skeletal pump, pocket valves, smooth muscles within veins, respiratory pump, gravity
7 of 8
define cardiac hyperthrophy
enlargement of the heart muscle in respone to training
8 of 8

Other cards in this set

Card 2

Front

define partial pressure

Back

the pressure that is exerted by an individual gas when it exists with a mixture of gases.

Card 3

Front

name the three neural receptors that report to the cardiac control centre

Back

Preview of the front of card 3

Card 4

Front

define Frank-Starling mechanism (starlings law)

Back

Preview of the front of card 4

Card 5

Front

define vasoconstrict and vasodilate

Back

Preview of the front of card 5
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