Video 2'58 : https://youtu.be/M1wdIdCOk-Y Cells come in all shapes and forms and have all sorts of jobs, but they are all fundamental building blocks of all living organisms.

text 124 words: https://journals.plos.org/plosbiology/article?id=10.1371/journal.pbio.1002533 : Revised Estimates for the Number of Human and Bacteria Cells in the Body

Real Cell Gallery : https://learn.genetics.utah.edu/content/cells/gallery/The images in this gallery show real cells under the microscope. Labels shows schemas and words

Virtual Microscope : https://learn.genetics.utah.edu/content/cells/microscope