Here is a simple English topic about the *function of the heart*:
*Topic: The Function of the Heart*
The heart is a muscular organ that pumps blood throughout the body. It works like a pump to send oxygen-rich blood to the organs and bring back carbon dioxide and waste products. The heart has four chambers: two atria (upper chambers) and two ventricles (lower chambers).
The right side of the heart receives blood low in oxygen from the body and sends it to the lungs. The left side receives oxy
2025-11-28