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Hace 5 días · heart, organ that serves as a pump to circulate the blood. It may be a straight tube, as in spiders and annelid worms, or a somewhat more elaborate structure with one or more receiving chambers (atria) and a main pumping chamber (ventricle), as in mollusks.
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- Heart Valve
Other articles where heart valve is discussed:...
- Ventricle
Ventricle, muscular chamber that pumps blood out of the...
- Heart Sounds
Heart sound, audible rhythmic vibrations in the heart,...
- Circulatory System
Molecules are normally conveyed between cells and throughout...
- Human Body
Thus, the heart is an organ composed of all four tissues,...
- Systole
Hace 2 días · The heart is a muscular organ found in most animals. This organ pumps blood through the blood vessels of the circulatory system. [1] The pumped blood carries oxygen and nutrients to the body, while carrying metabolic waste such as carbon dioxide to the lungs. [2]
Hace 4 días · The heart is a muscular organ about the size of a closed fist that functions as the body's circulatory pump. It takes in deoxygenated blood through the veins and delivers it to the lungs for oxygenation before pumping it into the various arteries (which provide oxygen and nutrients to body tissues by transporting the blood throughout the body).
Hace 4 días · The heart is a muscular pumping organ located medial to the lungs along the body's midline in the thoracic region. The bottom tip of the heart, known as its apex, is turned to the left, so that about 2/3 of the heart is located on the body's left side with the other 1/3 on right.
3 de sept. de 2024 · Rachel Clarke. The first of our organs to form, the last to die, the heart is both a simple pump and the symbol of all that makes us human: as long as it continues to beat, we hope. One summer day, nine-year-old Keira suffered catastrophic injuries in a car accident. Though her brain and the rest of her body began to shut down, her heart ...
Hace 2 días · Cardiology is a branch of medicine that deals with disorders of the heart and the cardiovascular system. The field includes medical diagnosis and treatment of congenital heart defects, coronary artery disease, heart failure, valvular heart disease, and electrophysiology.
20 de ago. de 2024 · What the unique shape of the human heart tells us about our evolution. Published: August 20, 2024 12:40pm EDT. Mammals, from the mighty blue whale to the tiny shrew, inhabit nearly every corner...
