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The heart is a muscular organ situated in the mediastinum.It consists of four chambers, four valves, two main arteries (the coronary arteries), and the conduction system. The left and right sides of the heart have different functions: the right side receives de-oxygenated blood through the superior and inferior venae cavae and pumps blood to the lungs through the pulmonary artery, and the left ...
The heart is a muscular organ found in humans and other animals. This organ pumps blood through the blood vessels. [1] Heart and blood vessels together make the circulatory system. [2] The pumped blood carries oxygen and nutrients to the tissue, while carrying metabolic waste such as carbon dioxide to the lungs. [3]
Coronary artery disease (CAD) or ischemic heart disease are the terms used to describe narrowing of the coronary arteries. [8] As the disease progresses, plaque buildup can partially block blood flow to the heart muscle. Without enough blood supply , the heart is unable to work properly, especially under increased stress.
After menopause, when estrogen levels drop, the risk of heart disease in women goes up and becomes higher than in men of the same age.” Estrogen protects the cardiovascular system in several ways.
A Wiggers diagram modified from [1]. A Wiggers diagram, named after its developer, Carl Wiggers, is a unique diagram that has been used in teaching cardiac physiology for more than a century.
The concern over the toy originally started after O'Kelly's oldest daughter said she had seen the double heart symbol, located on the toy truck's roof, on an episode of "Law & Order: SVU" before.
White heart emoji meaning. The white heart symbolizes peace. And similar to the black one, the white heart emoji is also sometimes used simply for aesthetic purposes (in fact, they are somtimes ...