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❤️ Functions of the Heart :- The heart is a muscular, hollow organ roughly the size of a clenched fist. Located in the mediastinum of the thoracic cavity, it functions as the central pump of the circulatory system, maintaining the continuous circulation of blood throughout the body. It plays a vital role in ensuring oxygen delivery, waste removal, hormonal distribution, and homeostasis. 🧠 I. Primary Function – Circulatory Pump The