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Effects of exercise
RED= Short term effects Blue= Long term effects

CV system:-

More nerve impulses to heart pacemaker increasing h/r
Adrenaline secretion = increased H/R
Nitric oxide secretion is stimulated by a drop in oxygen levels
dilating arteriole, which increases flow back to heart and
increases cardiac output

Page 2

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Increased no. of capillaries
Increased concentration of myoglobin
More and bigger mitochondria
Increased glycogen stores


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