What is the primary function of the human heart?

The human heart is a muscular organ that pumps blood throughout the body. This vital organ is at the center of the circulatory system. Each day, the average heart beats about 100,000 times, circulating approximately 2,000 gallons of blood.

What is the primary function of the human heart?

1. A.To digest food
2. B.To filter waste
3. C.To pump blood
4. D.To regulate body temperature