(beeping) ; I just saw Plex. ; And he was doing some repairs on his circuits. ; Circuits are little wires and things ; inside of robots that make them work. ; You know, there s little things inside of us ; that make us work, too. ; I think Muno and Foofa are going to learn all about that. ; Look ; There they are (beeping) ; Hey, look at Plex. ; Hello, Plex. ; What are you doing? ; I m fixing some things inside of me to help me work better. ; Well, do I have things inside of me? ; Yes, you have important things inside of you. ; Let s take a look with my special Xray. ; (rhythmic beeping, hiphop beat playing) ; BOTH Wow ; What are those things? ; That is a good question. ; Here we go. ; There are things inside your body that keep you alive ; These are the things inside your body ; That help you be alive ; There s a big muscle that helps you be ; And the things inside your body ; Are great, you see ; The red muscle in the middle is your heart ; It pumps the blood ; Through your body ; You have two lungs that help you breathe ; They pump the air ; Through your body ; You have a stomach, it s down below ; It makes the food into energy ; For your body ; There are things inside your body that keep you alive ; These are the things inside your body ; That help you be alive ; There s a big muscle that helps you be ; And the things inside your body are great, you see ; Wow I had no idea ; I didn t know there was all that stuff inside me. ; Yes. ; Your bodies are full of all kinds of things ; that work together to help you live. ; It is important to eat right and exercise ; so it keeps your insides running well. ; (cheering) ; Hooray ; That s right