Why does an increased heart rate help during endurance exercise?

An increased heart rate increased the blood flow throughout the body meaning more oxygen can be supplied to the muscles and lactic acid and CO2 can be removed from the body preventing a toxic build up.

LC

Related Physical Education GCSE answers

All answers ▸

Name the four blood vessels that carry blood in and out of the heart and state whether they carry oxygenated or de-oxygenated blood.


What factors effect participation and performance in sport?


State two components of physical fitness that an individual would need when taking part in a 100m sprint race and describe how each component could improve her performance.


When a performer exercises, blood is redistributed to different parts of the body. Explain two ways in which the body redistributes blood during exercise.