The spelling of the word "left heart" can be explained using the International Phonetic Alphabet (IPA). The IPA transcription for "left" is /lɛft/, with the "l" sound being pronounced at the beginning of the word followed by the short "ɛ" sound. The IPA transcription for "heart" is /hɑrt/, with the "h" being silent in pronunciation and the "a" sound being pronounced with an open mouth position. Together, the correct spelling of "left heart" phonetically sounds like /lɛft hɑrt/.
The left heart refers to the portion of the heart that is responsible for receiving oxygenated blood from the lungs and pumping it out to the rest of the body. It consists of two main components, namely the left atrium and the left ventricle.
The left atrium is one of the four chambers of the heart, located on the left side. Its primary function is to receive oxygen-rich blood that has been returned from the lungs via the pulmonary veins. The left atrium then contracts, pushing the blood into the next chamber.
The left ventricle, also located on the left side of the heart, is the largest and most muscular chamber. It receives the oxygenated blood from the left atrium and then contracts forcefully to pump the blood into the aorta, the main artery that carries oxygenated blood to the body's organs and tissues.
The left heart plays a crucial role in maintaining the body's overall oxygen supply. As it receives and expels oxygen-rich blood, it ensures that each body part receives the necessary nutrients and oxygen required for optimal functioning. Dysfunction of the left heart can lead to various cardiovascular disorders, such as left-sided heart failure, which can cause symptoms like fatigue, shortness of breath, and fluid retention.
Systemic h.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.