Flexes Its Muscles The Magic School Bus : Season 2 Episode 2
TV-Y7 (Qubo rating) PBS Kids 30m
Aired: September 16th, 1995 @ 6:30 AM EST on PBS Kids
Ms. Frizzle takes the class on a field trip to R.U. Humerus's Body Shop. They learn how bones, muscles and joints all work together to help us move.
