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2217413
Short term effects of exercise (cardiovascular)
Description
GCSE PE
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cv
exercise
gcsepe
Mind Map by
Adam Pickering
, updated more than 1 year ago
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Created by
Adam Pickering
over 9 years ago
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Resource summary
Short term effects of exercise (cardiovascular)
Cardiovascular
Cardiac Output (Q) = SV x HR
SV - Every time the heart beats,, blood is pumped out
Ventricles contract with a higher force
S.A Node
40-50% of blood is pumped out
Heart Rate increases
Adrenaline is released
Trained athlete = Rest: SV (105ml/beat), HR = 60 BPM...
Trained athlete = Maximum: SV (190mll/beat), HR = 192 BPM
Increase in blood pressure
Systolic value and diastolic value (120/80)
Systolic = pressure in the artery, when your heart is beating.
Diastolic value = pressure in the artery between beats
Exercise tends to affect the systolic value more than the disatolic
Blood redirects throught the vascular shunt
20% of your blood to muscles at rest
Vasoconstriction
Vasodilations
84% of your blood to the muscles when exercising
Blood volume
Goes down (10%)
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