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- Dictionaryheart/hɑːt/
noun
- 1. a hollow muscular organ that pumps the blood through the circulatory system by rhythmic contraction and dilation. In vertebrates there may be up to four chambers (as in humans), with two atria and two ventricles. Similar
- 2. the central or innermost part of something: "right in the heart of the city" Similar Opposite
verb
- 1. like very much; love: informal "I totally heart this song"
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5 days ago · 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.
Jul 5, 2024 · 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.
3 days ago · 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.
4 days ago · Cardiology (from Ancient Greek καρδίᾱ (kardiā) 'heart', and - λογία ( -logia) 'study') is the study of the heart. Cardiology is a branch of medicine that deals with disorders of the heart and the cardiovascular system.
Jul 16, 2024 · Blood flow through the heart involves contractions of the heart muscle to move blood from the right chambers of the heart to the lungs —where it receives oxygen—and then to the left chambers of the heart where it is pumped to the rest of the body through a network of blood vessels.
5 days ago · Heart rate is one of the vital signs, along with blood pressure and body temperature. This article defines normal heart rate range and dangerous levels.
Jul 9, 2024 · This interactive atlas of human heart anatomy is based on medical illustrations and cadaver photography. The user can show or hide the anatomical labels which provide a useful tool to create illustrations perfectly adapted for teaching.
Jul 9, 2024 · heart. ballistocardiography. cardiac output, in human physiology, volume of blood expelled by either ventricle of the heart. It is customarily expressed as minute volume, or litres of blood per minute, calculated as the product of stroke volume (output of either ventricle per heartbeat) and the number of beats per minute.
Jul 5, 2024 · cardiology, medical specialty dealing with the diagnosis and treatment of diseases and abnormalities involving the heart and blood vessels. Cardiology is a medical, not surgical, discipline.
Jul 10, 2024 · Cardiopulmonary anatomy and physiology is a specialized field of study that focuses on the structure (anatomy) and function (physiology) of the cardiovascular and pulmonary systems, which are the heart, blood vessels, and lungs. This field is fundamental to understanding how these systems interact and operate to maintain the body’s homeostasis.
