The human body is all about cooperation. Learn how cells, tissues, and organs all work together to make your body run.
The skeletal system has a mission: to provide strength and movement. It also has a partner, the muscular system.
Every time you go out to play, thank your muscular system. It works hard — along with your skeletal system — to keep you strong and moving around.
The circulatory system is like the body's superhighway, helping all the things our bodies need get where they need to go!
Take a deep breath. Now, thank your respiratory system!
The nervous system is like the body's control center: It has a hand in everything that is going on in your body. Find out how it works!
Ahh-choo! Feel a sneeze coming on? That is one way your body helps get rid of bacteria. But your body has another way to keep you healthy, too: your immune system.
Is your stomach growling? Maybe it is time to take a look at the system that breaks down food so your body can use it: the digestive system.
It is pretty amazing. You could say it is like a miracle. What are we talking about? Well, seeing of course!
Smelling is a wonderful sense. Just think how much you miss it when you have a cold! Ever wonder how it works?
Soft, hard, smooth, spiky are all things you can sense by touch. Here is how touch works.
Ever wonder how all that sound gets through your ears? Your ears are pretty remarkable little systems. Check out all the amazing things they do!
Imagine your favorite food. Do you know why you like it so much? It is all up to your sense of taste. Find out how it works!
Ever wondered how you ended up with your eye color? The answer is all about heredity.