Answer:
Release energy.
Step-by-step explanation:
Cardiovascular system of the body that helps in the transport of blood and other nutrient in the body. The arteries, veins and the heart is the important organs of the cardiovascular system.
The exercise helps to reduce the risk of the cardiovascular disease. These exercises helps in the removal of the excess body fat and release the energy that are stored in the body. This released energy can be used by the body for other metabolic process.
Thus, the correct answer is option (c).