While the respiratory system functions to absorb Oxygen from the air into the blood, the
Cardiovascular System further processes it.
Cardiovascular System delivers the absorbed oxygen, nutrients, hormones, and other
important substances to cells and organs in the body.
It also responds to the demands of activity, exercise, and stress. Apart from this it also plays
a major role in maintaining the body temperature.
The cardiovascular System comprises of heart, veins, arteries, and capillaries.
The common diseases of Cardio Vascular System are