How does the cardiovascular system consumes energy?

The cardiovascular system does not produce any energy. You should think of you cardiovascular system as more of a delivery system. Now, your organs and your body work together to break down the foods that you eat and extract the nutrients. read more

Like all systems in the body, which is made up of functional units called cells. These cells require O2 and nutrients like glucose which is broken down to produce energy. read more

The cardiovascular system does not produce energy, it allows the transport of energy rich substances [like glucose, fatty acids and other nutrients] and oxygen in the blood to the body’s cells so they can produce the energy to run those cells. read more

The cardiovascular system consists of the heart, blood The purpose of the system is to circulate oxygen into your blood cells. The cardiovascular system has to provide oxygenated blood to the body at a rate sufficient to meet energy requirements. read more