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===About Exercise===
: [[Exercise]] increase the rate of [[respiration]] in the [[muscle]]s. This provides the [[muscle]]s with the energy they need to move.
: Athletes have bigger [[lung]]s than [[Mean Average|average]] because regular aerobic [[exercise]] can increase the [[Volume (Space)|volume]] of the [[lung]]s. This allows them to take in more [[oxygen]] for [[respiration]].
: [[Exercise]] strengthens the [[diaphragm]] and [[Intercostal Muscle|intercostal muscles]] allowing you to [[inhale]] and [[exhale]] more.
: Athletes have slower [[heart]] rates than [[Mean Average|average]] because regular aerobic [[exercise]] makes the [[heart]] [[muscle]]s stronger so the [[heart]] doesn't need to beat as often. This allows the [[blood]] to be sent around the body more quickly providing the [[muscle]]s with [[oxygen]] for [[respiration]].
==Key Stage 4==
===Exercise and Disease===
: Regular [[exercise]] can reduce the risk of a number of [[disease]]s including [[Coronary Heart Disease]].
==Beyond the Curriculum==
{{#ev:youtube|https://www.youtube.com/watch?v=hmFQqjMF_f0}}
===References===
====AQA====
:[https://www.amazon.co.uk/gp/product/0008158754/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0008158754&linkCode=as2&tag=nrjc-21&linkId=27ad53b0283feeff7fc5ae04a9e205f282 ''Exercise, page 132, GCSE Biology; Student Book, Collins, AQA '']
:[https://www.amazon.co.uk/gp/product/1471851354/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1471851354&linkCode=as2&tag=nrjc-21&linkId=9012a0d354024419214fb3ad5ac44ba0 ''Exercise, page 59, GCSE Combined Science Trilogy 1, Hodder, AQA '']
:[https://www.amazon.co.uk/gp/product/1782945563/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945563&linkCode=as2&tag=nrjc-21&linkId=9a1d023a374038e6072f33c4f3cf808b ''Exercise, page 63, GCSE Biology; The Revision Guide, CGP, AQA '']
:[https://www.amazon.co.uk/gp/product/0198359373/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359373&linkCode=as2&tag=nrjc-21&linkId=952a73bbb09d222ecc4b50d200679849 ''Exercise, pages 118-119, 136-139, 141, GCSE Biology; Third Edition, Oxford University Press, AQA '']
:[https://www.amazon.co.uk/gp/product/1782946381/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782946381&linkCode=as2&tag=nrjc-21&linkId=5ec5fc3f6429e30c1d9ab9bca2bccf93 ''Exercise, pages 163, 164, GCSE Combined Science Trilogy; Biology, CGP, AQA '']
:[https://www.amazon.co.uk/gp/product/1782945954/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945954&linkCode=as2&tag=nrjc-21&linkId=100574c08fbbb64318256eb79ed61a76 ''Exercise, pages 177, 178, GCSE Biology, CGP, AQA '']
:[https://www.amazon.co.uk/gp/product/1471851338/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1471851338&linkCode=as2&tag=nrjc-21&linkId=425855d5890466e47189e1c21b67a1ea ''Exercise, pages 59, 123-4, GCSE Biology, Hodder, AQA '']
====OCR====
:[https://www.amazon.co.uk/gp/product/1782945660/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945660&linkCode=as2&tag=nrjc-21&linkId=83aa4500ad7759e7f401a1c5ba5df758 ''Exercise (effect on heart rate), page 20, Gateway GCSE Biology; The Revision Guide, CGP, OCR '']
:[https://www.amazon.co.uk/gp/product/0198359810/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359810&linkCode=as2&tag=nrjc-21&linkId=d768d99f1a06f7c12fab40e5aef85a55 ''Exercise, page 239, Gateway GCSE Biology, Oxford, OCR '']