The Circulatory System | Exercise Science | Works Out | Full Episode | The Magic School Bus

The Magic School Bus

Is Mr. Sinew (Dan Marino) any match for the Friz? At this year’s “Teacher-athalon,” the kids fear Ms. Frizzle doesn’t stand a chance against the muscle-bound gym teacher from another school, so the class travels inside her body for a closer look. 🔔 Subscribe to The Magic School Bus for New Videos