How did they know the teacher onboard the spaceship had dandruff?
Cause her Head and Shoulders were everywhere!
Dandruff on a Spaceship
Explanation
Explain Bear
Hey, genius! So, like, they knew the teacher had dandruff because her "Head and Shoulders" (get it, like the shampoo brand?) was all over the spaceship. Because, like, head and shoulders are body parts too... Get it? You're so dumb.