Immediate Effects Of Exercise Flashcards

1
Q

What five changes go about in the body during immediate exercise?

A
  • heart beats faster
  • heart contracts more powerfully
  • breathing rate increases
  • body temperature increases
  • skins reddens
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2
Q

Why does the heart beat faster?

A

To supply more blood containing oxygen to the working muscles

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3
Q

Why does the heart contract more powerfully?

A

so more blood contains oxygen can reach the working muscles

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4
Q

Why does breathing rate increase?

A

Depth of breathing also increases, increasing tidal volume, this leads to greater gaseous exchange

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5
Q

Why does body temperature increase?

A

This is because muscles are contracting more often and this generates heat, this causes the body to sweat to cool down

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6
Q

Why does skin redden?

A

As the blood vessels near the skin surface vasodilate to lose heat through radiation

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