Blodkärlet
Blodkärlet, also known as the heart of the blood, is a small, oval-shaped organ located in the upper left part of the chest, behind the sternum and between the lungs. It is approximately the size of a clenched fist and weighs about 10 ounces in adults. The heart is a vital organ responsible for pumping blood throughout the body, supplying oxygen and nutrients to tissues and removing waste products such as carbon dioxide.
The heart is composed of four chambers: two atria and two ventricles. The right atrium receives deoxygenated
The heart's rhythmic contractions are controlled by an electrical system consisting of specialized cells that generate
The heart is supported by a network of blood vessels, including arteries, veins, and capillaries, which transport
Blodkärlet is a critical organ in the human body, and its proper functioning is essential for overall