Thread:Coolot1/@comment-25892114-20171207193203/@comment-25892114-20171209041240

Sfika: Today, we're gonna learn about cell transportation. Now, there's this thing called diffusion when molecules go from a high concentration to a low concentration.

(While Sfika teaches, everyone watches. Suddenly, Zim crumbles up a paper)

Zim: Hey, retard! (Throws paper ball at Mandy)