Download structure of heart2/13/2024 Four Chambers of the Heart: The heart is divided into four chambers: the right atrium, the left atrium, the right ventricle, and the left ventricle. It is located within the thoracic cavity, between the two lungs, and is protected by the sternum in front and the spine at the back. The heart is a conical-shaped muscular organ that is roughly the size of a closed fist. The external structure of the human heart refers to its physical appearance and location within the body. In this EduRev document of Class 10 Science, we will provide a detailed overview of the structure of the human heart. It is a muscular organ located in the chest cavity between the lungs and is responsible for the circulation of oxygen and nutrients to all the cells of the body. The human heart is a vital organ that functions to pump blood throughout the body.
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