Question

cycling quickness the hearts functioning by

Answer 1

Heart rate monitors have been commercially available since the early 1980s and are now compact, accurate, reliable and, most importantly for a large number of cyclists, affordable. Heart rate monitors give an accurate gauge to how hard your body is working. The majority of Junior, Academy, and Podium GB Cycling Team riders use heart rate monitors in conjunction with analysis software from as their primary means of tracking performance and their use is a fundamental component in the .
Read more at https://www.britishcycling.org.uk/knowledge/article/izn20140808-understanding-intensity-2--heart-rate-0#5IWxeorMHM50xQIT.99

Answer 2

Arterial blood (red,O2 rich blood) flows from heart to each part of the body to provide oxygen and nutrients. Venus blood (blue, O2poor blood) returns from the body to the heart. The blood then travels through the lungs to exchange carbon dioxide for new oxygen. The heart is a pump which moves the blood. Hope it helps

The Heart is a pumping organ that receives blood from veins and pumps it into arteries.

Functions of Heart are:

1. To pump blood across the body.

There is only one function of Heart but this one function is the most important one in our whole body