structure of the human heart
The heart is the most important part of our body.The main function of the heart is to pump blood into our circulatory system.
This blood contains Oxygen and various nutrients which is necessary to keep an organ healthy.
Today we will know in detail the structure of this important organ heart.
Structure of Heart:-The heart of a human is made up of muscle tissue.The heart is fleshy, dull and red.The outer covering of the heart is on average similar to a closed fist.Heart weight is about 300 grams.
The human heart is located in the thoracic cavity in the left and middle lumbar recesses between both lungs.
A covering is found above the heart called pericardium.
The inner layer of the pericardium is called the visceral layer.
The human heart consists of four chambers, with two chambers, relatively small and found above, called the Auricle.
And the two chambers are larger than the auricle which is called ventricle.
The wall of the auricle is thinner than the ventricle.And the wall of the Auricle is completely divided by a middle band in the right and left parts.
This bandage is called Antara Auricle Board.Due to this septum, the auricle and ventricle are divided.
Auricle and ventricle of the left and are connected by a bicuspid valve. This is called the Mitra valve.Like, Tricuspid value is found between right ventricle and auricle.
These valves prevent blood from going in the opposite direction.
Due to the opening and closing of the valve, there is a sound of dubbing.
The auricle and the ventricle are rhythmically connected in the action of contraction and relaxation.
With such action, Hurt pumps blood to different parts of the body.
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