Have you ever thought about how many wonderful processes are going on inside your body: how the blood flows, how neurons are formed, what your bones consist of... Your bones are some of the greatest structures in your body. You have over 200 bones in your body. And if you ever wonder what makes you grow, the bones are part of the answer.

In this video we're going on a journey inside the bone marrow. We'll find out why it's so important and what it looks like. We'll travel through the skeletal system and visit every tiniest part of it.

Learn more about your ad choices. Visit megaphone.fm/adchoices