explain human heart system.
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The heart is a muscular organ in humans and other animals, which pumps blood through the blood vessels of the circulatory system. Blood provides the body with oxygen and nutrients, as well as assists in the removal of metabolic wastes.
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The Heart is a critical muscle that pumps blood through three sections of the circulatory system:
pulmonary (lungs and heart), systemic (body systems) and the coronary (vessels that serve heart). Coronary circulation that is essential to the heart carries blood from the main artery that comes from the heart.
Layers of the Heart
It consists of three layers namely:
Myocardium– The myocardium includes heart muscle cells that make up the bulk of heart wall and the middle layer.
Epicardium – The outer layer of cells is known as epicardium and the second layer which is membranous surrounds and protects the heart.
Endocardium -The endocardium lines the inner wall of the heart.
pulmonary (lungs and heart), systemic (body systems) and the coronary (vessels that serve heart). Coronary circulation that is essential to the heart carries blood from the main artery that comes from the heart.
Layers of the Heart
It consists of three layers namely:
Myocardium– The myocardium includes heart muscle cells that make up the bulk of heart wall and the middle layer.
Epicardium – The outer layer of cells is known as epicardium and the second layer which is membranous surrounds and protects the heart.
Endocardium -The endocardium lines the inner wall of the heart.
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