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|09 Aralık 2012, 17:14||#1 (permalink)|
Kalbin Yapısı - Structure of Heart.
Atardamartoplardamar capillaries in the human body and the total length of about 96 000 km long and capable of going twice around the world in length.
Round adult human heart pumps blood from the body every minute five days litreher 9000 liters.
About 100000 times a day take heart.
Average of 25 billion times during a lifetime of 70 years of racing heart.
Women 250 men in 300 grams is the weight of the human heart.
The heart of a child of about two fists clenched in a fist kadarerişkin core businesses.
78% of the blood is water.
Blood travels about 20 seconds with the whole body.
The structure of the heart for the first time in 1706 a professor of anatomy in French described by Raymond Viessens.
Electrocardiography device was discovered in 1902 by a Dutch physiologist Einthoven that.
Structure of the heart
Slightly larger than normal heart perforation of a powerful muscle structure of the pump. Struts with 8000 liters per day by the 100000 pumps blood continuously.
Consists of four heart chamber. The top right and bottom left of the two atria right and left are the two ventricles.
Heart has four valves: tricuspid valve between the right atrium and right ventricle right ventricle the pulmonary valve into the lungs with
large blood vessels that carry blood (pulmonary artery) mitral valve between the atrium and the left ventricle and the aortic valve between the left ventricle the main artery / jugular vein (the aorta) is between.
Workload of the heart
Oxygen little dirty in the blood veins and organs with the right ventricle through the tricuspid valve right kulakçığa paid here. The right ventricle pumps blood dirty pulmonary valve into the lungs via the pulmonary artery. Oxygen-rich blood to the lungs. Oxygen-enriched fresh blood in the left pulmonary veins through the left ventricle through the mitral valve in kulakçığa here. Clean the blood from the left ventricle through the aortic valve is pumped through every organ of the aorta. The left ventricle is equal to the blood pressure blood pressure measured up.
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|heart, kalbin, structure, yapısı|
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