Short term effects of exercise (cardiovascular)

Adam Pickering
Mind Map by Adam Pickering, updated more than 1 year ago
Adam Pickering
Created by Adam Pickering almost 5 years ago
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GCSE PE
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Short term effects of exercise (cardiovascular)
1 Cardiovascular
1.1 Cardiac Output (Q) = SV x HR
1.1.1 SV - Every time the heart beats,, blood is pumped out
1.1.1.1 Ventricles contract with a higher force
1.1.1.1.1 S.A Node
1.1.1.1.2 40-50% of blood is pumped out
1.1.2 Heart Rate increases
1.1.2.1 Adrenaline is released
1.1.3 Trained athlete = Rest: SV (105ml/beat), HR = 60 BPM...
1.1.4 Trained athlete = Maximum: SV (190mll/beat), HR = 192 BPM
1.2 Increase in blood pressure
1.2.1 Systolic value and diastolic value (120/80)
1.2.1.1 Systolic = pressure in the artery, when your heart is beating.
1.2.1.2 Diastolic value = pressure in the artery between beats
1.2.2 Exercise tends to affect the systolic value more than the disatolic
1.3 Blood redirects throught the vascular shunt
1.3.1 20% of your blood to muscles at rest
1.3.1.1 Vasoconstriction
1.3.1.2 Vasodilations
1.3.2 84% of your blood to the muscles when exercising
2 Blood volume
2.1 Goes down (10%)
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