Circulatory system of heart and lungs, computer artwork. The heart (centre) is a hollow muscle that pumps blood around the body. The two branches of the pulmonary artery (red) carry deoxygenated blood from the heart to the lungs.
The circulatory system consists of four major components: The Heart: About the size of two adult hands held together, the heart rests near the center of the chest. Thanks to consistent pumping, the heart keeps the circulatory system working at all times. Arteries: Arteries carry oxygen-rich blood away from the heart and where it needs to go.
There are three different types of circulation that occur regularly in the body: Pulmonary circulation: This part of the cycle carries oxygen-depleted blood away from the heart,… Systemic circulation: This is the part that carries oxygenated blood away from… Coronary circulation: This type of …