Series

Circulatory System, Part 2: Science Videos

Created by
Khan Academy Lite

About this content

This series takes a close look at how the heart and blood vessels work. You will learn how blood circulates in a baby before and after birth, how the heart's pressure and volume change with each beat, and how the heart adjusts its rate and strength. The series also explains common blood vessel diseases like atherosclerosis, which are leading causes of heart attacks and strokes. It is a strong fit for anyone interested in health careers or in understanding their own body. This is detailed material. It will be easier to follow if you already know the basic parts of the heart and how blood flows through it.

Note: All Khan Academy content is available for free at www.khanacademy.org