Skip to content
- The circulatory system is the very important system of our body.
- It involves heart, blood, and blood vessels.
- Heart is the main organ of the circulatory system.
- It carries deoxygenated blood to heart and oxygenated blood from heart to whole body.
- Human circulatory system is of closed type.
- It is of three types, Pulmonary, Systemic and Coronary Circulation.
- It undertakes the role of transportation in our body.
- It carries oxygen, nutrients and hormones to cells.
- It also removes waste product like carbon dioxide from cells.
- It helps in sustaining the vital organ system of our body.
