Define Cardio-vascular endurance

Define Cardio-vascular endurance.

Cardio-vascular endurance : It is the ability of our heart, lungs and blood vessels to supply oxygen to the muscles and ability of the muscles to utilize oxygen to allow sustained activity. It means a fit heart which can carry on the activity for a longer period of time (i.e., working under conditions of fatigue) e.g., cycling, jogging, swimming etc.