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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
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coronary heart disease, disease characterized by an...
- Chambers
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heart sound, audible rhythmic vibrations in the heart,...
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heart murmur, condition characterized by prolonged noises...
- Pericardium
In cardiovascular disease: Rheumatic heart disease …lining),...
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vena cava, in air-breathing vertebrates, including humans,...
- 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 · The heart is an organ in the circulatory system. It is responsible for contracting rhythmically, or pumping. This action pushes blood throughout the blood vessels that carry it to all the parts of the body. There are four main types of tissues in the human body.
Vor 2 Tagen · The circulatory system is a system of organs that includes the heart, blood vessels, and blood which is circulated throughout the entire body of a human or other vertebrate. [1] [2] It includes the cardiovascular system , or vascular system , that consists of the heart and blood vessels (from Greek kardia meaning heart , and from ...
4. Mai 2024 · The heart is a vital organ in the human body, responsible for pumping blood throughout the circulatory system. It is located in the chest, between the lungs, and is roughly the size of a fist. The heart is composed of four chambers: the right atrium, the left atrium, the right ventricle, and the left ventricle. Each chamber is separated by a valve, which ensures that blood flows in the correct ...
3. Mai 2024 · How Your Circulatory System Works. The circulatory system, also known as the cardiovascular system, is a simple loop which starts, and ends, with your heart. It is a closed system, meaning blood does not enter or leave the system during its journey from your heart to your body and back again.
14. Mai 2024 · 4. 19 views 22 hours ago. The heart is a muscular organ that is situated in the front of the chest. It pumps blood all through the body in a process called circulation. Apart from the heart,...
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