Answer: During exercise/running, your heart typically beats faster so that more blood gets out to your body. Your heart can also increase its stroke volume by pumping more forcefully or increasing the amount of blood that fills the left ventricle before it pumps. Generally speaking, your heart beats both faster and stronger to increase cardiac output during exercise. It shows a positive effect. therefore, Physical activity is a confounding factor of the relation between eating frequency and body composition.
Step-by-step explanation: