effect of exercise on circulation system
Answers
Answer:
Exercise causes the heart to pump blood into thecirculation more efficiently as a result of more forceful and efficient myocardial contractions, increased perfusion of tissues and organs with blood, and increased oxygen delivery. Aerobicexercise trains the heart to become more efficient.
Explanation:
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Answer:
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Explanation:
Effects of Exercise on Circulation
The effects of exercise or any physical activity on the human circulatory system (which includes the blood and the heart) depend on the:
Type of physical activity
e.g. walking, playing tennis, playing bowls
Intensity of the activity
e.g. gentle slow walk or 200m sprint
Duration of the activity
e.g. 15 metre swim across a small swimming pool or swimming the English Channel. (Duration means length of time, so for 30 mins or 4 hours, etc.)
The effects of physical activity on the heart and circulation of blood around the body can be considered in terms of both the short term and long term changes due to exercise:
Short term
effects of physical exercise typically result from occasional bursts of extra physical activity.
Long term
effects of physical exercise are the result of frequent physical activity of at least moderate and preferably high intensity e.g. activities that involve using lots of muscles and energy and increasing one's heart-rate during the activity itself - often for at least 20-30 minutes.
Effects of Short-term Physical Activity:
e.g. short run to bus stop
Effects of the Heart:
increase pulse rate
increase blood pressure
Effects on Blood Circulation:
more (a greater volume of) blood is pumped around the body
blood is diverted from the soft organs within the body into the blood vessels to be moved around the body
the blood transports (i.e. moves) heat from the active muscles to the surface of the body:
muscles HEAT. --» body surface
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