exercise and heart rate Flashcards
1
Q
Heart activity be monitored by using
A
an ECG
2
Q
What is heart rate measured in
A
BPM (Beats per minute)
3
Q
What happens to your heart rate when exercising
A
it increases
4
Q
Why does the heart rate increase during exercise
A
During exercise, your body may need three or four times your normal cardiac output, because your muscles need more oxygen when you exert yourself. During exercise, your heart typically beats faster so that more blood gets out to your body.