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Each side of the heart consists of an atrium and a ventricle which are two connected chambers. The atria (plural of atrium) are where the blood collects when it enters the heart.
- Right Ventricle
- Interventricular Septum
- Left Ventricle
The right ventricle receives deoxygenated blood from the right atrium, and pumps it through the pulmonary orifice (guarded by the pulmonary valve), into the pulmonary artery. It is triangular in shape, and forms the majority of the anterior border of the heart. The right ventricle can be divided into an inflow and outflow portion, which are separat...
The interventricular septum separates the two ventricles, and is composed of a superior membranous part and an inferior muscularpart. The muscular part forms the majority of the septum and is the same thickness as the left ventricular wall. The membranous part is thinner, and part of the fibrous skeletonof the heart.
The left ventricle receives oxygenated blood from the left atrium, and pumps it through the aortic orifice (guarded by the aortic valve) into the aorta. In the anatomical position, the left ventricle forms the apex of the heart, as well as the left and diaphragmatic borders. Much like the right ventricle, it can be divided into an inflow portion an...
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Aug 3, 2023 · The heart is divided into two sides by the interatrial and interventricular septa. Each half of the heart has two chambers: an atrium, and a lower chamber called the ventricle. The function of the atria is to collect and pump blood into the ventricles.
The heart contains two upper chambers called atria and two lower chambers called ventricles. The left and right sides of the heart are separated by the septum. Valves prevent the backflow of blood and separate the atria from the ventricle and the ventricle from the pulmonary artery or aorta.
The heart is divided into four chambers: two on the right (right atrium and right ventricle) and two on the left (left atrium and left ventricle). The atria are the upper chambers, and the ventricles are the lower chambers.
Aug 17, 2023 · Structures of the left atrium and ventricle. Right atrium of heart. Atrium dextrum cordis. 1/6. Synonyms: none. Most species of animals rely on a well-organized circulatory system to move blood and nutrients around the body. The heart is a critical component of the human (and other animals’) circulatory system.
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Sep 14, 2021 · The human heart consists of four chambers: The left side and the right side each have one atrium and one ventricle. Each of the upper chambers, the right atrium (plural = atria) and the left atrium, acts as a receiving chamber and contracts to push blood into the lower chambers, the right ventricle and the left ventricle.