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Vor 5 Tagen · Heart, organ that serves as a pump to circulate the blood. It may be as simple as a straight tube, as in spiders and annelid worms, or as complex as the four-chambered double pump that is the center of the circulatory system in humans, other mammals, and birds. Learn more about the heart in this article.
- Heart Valve
Other articles where heart valve is discussed:...
- Coronary Heart Disease
coronary heart disease, disease characterized by an...
- Chambers
Other articles where chamber is discussed: cardiovascular...
- Heart Sounds
heart sound, audible rhythmic vibrations in the heart,...
- Heart Murmur
heart murmur, condition characterized by prolonged noises...
- Pericardium
In cardiovascular disease: Rheumatic heart disease …lining),...
- Heart Valve
Vor 2 Tagen · In humans, the heart is approximately the size of a closed fist and is located between the lungs, in the middle compartment of the chest, called the mediastinum. [3] In humans, other mammals, and birds, the heart is divided into four chambers: upper left and right atria and lower left and right ventricles.
- kardía (καρδία)
- Circulatory
- cor
Vor 2 Tagen · In the human heart there is one atrium and one ventricle for each circulation, and with both a systemic and a pulmonary circulation there are four chambers in total: left atrium, left ventricle, right atrium and right ventricle. The right atrium is the upper chamber of the right side of the heart. The blood that is returned to the ...
Vor 6 Tagen · According to History: “Scholars such as Pierre Vinken and Martin Kemp have argued that the symbol has its roots in the writings of Galen and the philosopher Aristotle, who described the human...
Vor 2 Tagen · A heart diagram labeled will provide plenty of information about the structure of your heart, including the wall of your heart. The wall of the heart has three different layers, such as the Myocardium, the Epicardium, and the Endocardium. Here's more about these three layers.
Vor einem Tag · In this step-by-step tutorial, learn how to draw a realistic human heart using just a pencil! Perfect for beginners and experienced artists alike, this video...
- 8 Min.
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- Emmy
Vor 5 Tagen · The heart plays a hidden role in our mental health. The organ sends messages to the brain. How those signals influence it is still unclear. Messages that the heart sends to the brain could hold...
