This cell activity introduces students to cell size, scale, and specialization through a hands-on microscope investigation. Students prepare and observe a slide of their own cheek cells with simple laboratory instructions. Basically, students use a toothpick to gently scrape the inside of their mouth. Then, they swirl the toothpick in a drop of methylene blue […] The post Investigation: Human Cheek Cells and Body Cells first appeared on The Biology Corner .