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
2
Q
Why does the heart beat faster?
A
To supply more blood containing oxygen to the working muscles
3
Q
Why does the heart contract more powerfully?
A
so more blood contains oxygen can reach the working muscles
4
Q
Why does breathing rate increase?
A
Depth of breathing also increases, increasing tidal volume, this leads to greater gaseous exchange
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
6
Q
Why does skin redden?
A
As the blood vessels near the skin surface vasodilate to lose heat through radiation
