“ The blood circulatory system (cardiovascular system) delivers nutrients and oxygen to all cells in the body. It consists of the heart and the blood vessels running through the entire body. The arteries carry blood away from the heart; the veins carry it back to the heart.” — National Institutes of Health

Circulatory system – Function, Definition – Human Anatomy | Kenhub – YouTube

https://youtu.be/yaXna8LmoiY?si=wa4KRbua04HH-3rl

This tutorial covers the structure and function of the circulatory system with its arteries, veins and capillaries. Learn all about anatomy at Kenhub: https:…