long term impacts on the Cardio Resptaory system

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6 Terms

1
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impact of excerise on the Cardio-vascular respiratory system

  • bigger + stronger heart

  • larger lung capacity

  • loser blood pressure

  • more capillaries in the muscles

  • more red blood cells

2
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Bigger + stronger heart

heart is a muscle - during excerise it adapts and gets bigger and stronger

a bigger and stronger heart = stronger contraction - pump more blood with each beat

resting stroke volume and maximum cardiac output increases

resting heart rate decreases, beats less often

3
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larger lung capacity

diaphragm and muscles in between ribs, get stronger - makes chest cavity larger

volume of alveoli increases

lung capacity increases - breathe in more oxygen into bloodstream

4
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lower blood pressure

regular exercise = veins and arteries get bigger

muscular walls become more elastic

blood pressure falls

5
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more capillaries in muscles

increases blood supply to muscles

they receive more oxygen

6
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more red blood cells

blood carries more oxygen