There’s one way to guarantee your pre-teen students will pay attention in class, strip! Yes, that’s what Ms Debby Heerkens decided to do when teaching her students about the human muscular and skeletal systems.
Don’t worry though, she had on specially designed spandex outfits underneath. Ms. Heerkens, who teaches in the Netherlands, got the idea when she saw someone wearing a novelty pair of leggings with the muscles on them.