Question

In: Biology

Explain circulatory system of human beings

Heart

The muscular organ which is located near the chest slightly towards the left in the thoracic region.

Solutions

Expert Solution

Heart

The muscular organ which is located near the chest slightly towards the left in the thoracic region.

The heart is the main pumping organ of the body.

The human heart is divided into four chambers which are involved in the transportation of oxygenated and deoxygenated blood.

The upper two chambers are called atria whereas the lower two chambers are called as ventricles.

 

Blood Vessels

Blood vessels carry blood throughout the body.

There three types of blood vessels; arteries, veins and blood capillaries.

Arteries carry oxygenated blood and veins carry deoxygenated blood.

Gaseous exchange takes place between blood and cells at capillaries.The flow of blood through the heart is as follows:

 


The heart is the main pumping organ of the body.

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