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used to refer to a person's character, or the place within a person where feelings or emotions are considered to come from: She has a good heart (= she is a kind person). heart leaps His heart leaped (= he suddenly felt very excited and happy) when the phone rang. See also. break someone's heart. broken heart. change of heart.
The meaning of HEART is a hollow muscular organ of vertebrate animals that by its rhythmic contraction acts as a force pump maintaining the circulation of the blood. How to use heart in a sentence.
Video explanation of blood flow through the heart. The heart functions as a pump in the circulatory system to provide a continuous flow of blood throughout the body. This circulation consists of the systemic circulation to and from the body and the pulmonary circulation to and from the lungs.
HEART meaning: 1. the organ in your chest that sends the blood around your body: 2. used to refer to a person's…. Learn more.
Jul 5, 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.