How does blood function in the body?

Answer by  macman (249)

Blood flows through the heart, to the lungs and back to the heart. Then throughout the body and back to the heart to start the process over.

Answer by  fried121 (43)

Blood in the human body serves as a transportation system, as well as a way of maintaining body temperature, controls ph, removes toxins from the body, and the regulation of body fluid electrolytes. The transportation comes in the form of bring oxygen and nutrients to the cells of the body, while carrying CO2 and waste out of these cells