Heart chamber is a general term used to refer to any of the four chambers of the mammalian heart (an organ):
- Right atrium: receives oxygen-depleted blood from the body via the superior vena cava and the inferior vena cava and pumps it through the tricuspid valve into the right ventricle. Mammals ( class Mammalia) are a class of Vertebrate Animals characterized by the presence of Sweat glands, including sweat glands The heart is a muscular organ in all Vertebrates responsible for pumping Blood through the Blood vessels by repeated rhythmic In Biology, an organ ( Latin: organum, "instrument tool" from Greek όργανον - organon "organ instrument In Anatomy, the atrium (plural atria) refers to a chamber or space Oxygen (from the Greek roots ὀξύς (oxys (acid literally "sharp" from the taste of acids and -γενής (-genēs (producer literally begetteris the Blood is a specialized Bodily fluid that delivers necessary substances to the body's cells such as nutrients and oxygen—and transports Waste products The superior vena cava is a large yet short Vein that carries deoxygenated Blood from the upper half of the body to the Heart 's Right atrium The inferior vena cava (or IVC is the large Vein that carries de-oxygenated Blood from the lower half of the body into the Heart. The tricuspid valve (also known as the right atrioventricular valve) is on the right side of the heart between the Right atrium and the Right ventricle
- Right ventricle: receives oxygen-depleted blood from the right atrium and pumps it through the pulmonary valve into the lungs via the pulmonary artery. In the Heart, a ventricle is a heart chamber which collects Blood from an atrium (another heart chamber that is smaller than a ventricle and The pulmonary valve, is the semilunar valve of the heart that lies between the Right ventricle and the Pulmonary artery and has three cusps lung is the essential Respiration organ in air-breathing Animals including most Tetrapods a few Fish and a few Snails The most primitive The pulmonary arteries carry Blood from the Heart to the Lungs.
- Left atrium: receives oxygen-rich blood from the lungs via the pulmonary veins and pumps it through the mitral valve into the left ventricle. The four pulmonary veins carry Oxygen -rich Blood from the Lungs to the left atrium of the Heart. The miter valve (also known as the bicuspid valve or left atrioventricular valve) is a dual flap (bi = 2 valve in the Heart that lies between
- Left ventricle: receives oxygen-rich blood from the left atrium and pumps it through the aortic valve to the entire body via the aorta, including to the heart muscle itself through the coronary arteries. Coronary circulation is the circulation of blood in the Blood vessels that supply Blood to and from the Heart muscle
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