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13 de abr. de 2024 · 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. In fishes the heart is a folded tube, with three or four enlarged areas that correspond to the chambers in the mammalian heart.
Heart es una banda estadounidense de rock oriunda de Seattle, formada por las hermanas Ann y Nancy Wilson, a principios de la década de 1970. 1 . Heart saltó a la fama a mediados de la década de 1970 con música influenciada por el hard rock, el heavy metal y la música folclórica, conformando la primera banda de hard rock liderada por mujeres.
The heart is a muscular organ found in most animals.This organ pumps blood through the blood vessels of the circulatory system. The pumped blood carries oxygen and nutrients to the body, while carrying metabolic waste such as carbon dioxide to the lungs. 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 ...
21 de feb. de 2019 · The human heart beats up to 3 billion times over an average lifespan. Learn about the anatomy of the heart and how this muscular organ provides life-giving o...
26 de ene. de 2024 · Your heart’s main function is to move blood throughout your body. Blood brings oxygen and nutrients to your cells. It also takes away carbon dioxide and other waste so other organs can dispose of them. Your heart also: Controls the rhythm and speed of your heart rate. Maintains your blood pressure.
30 de sept. de 2020 · The heart beats around 100,000 times a day, pumping approximately 8 pints of blood throughout the body 24/7.This delivers oxygen- and nutrient-rich blood to tissues and organs and carries away waste.
12 de nov. de 2023 · The human heart is primarily comprised of four chambers. The two upper chambers are called the atria, the remaining two lower chambers are the ventricles. The right and left sides of the heart are separated by a muscle called the “septum.”. Both sides work together to efficiently circulate the blood.
