The human body is composed of various systems that work together to maintain homeostasis and support life functions. One of these essential systems is the circulatory system, which is responsible for transporting nutrients, gases, hormones, and waste products throughout the body. The heart plays a crucial role in this system, serving as the primary organ that pumps blood. The blood circulates through a series of vessels, including arteries, veins, and capillaries.
Understanding the basic function of the heart is vital for grasping how blood circulation affects overall health. What is the main function of the heart in the circulatory system?