True Story Bashny.Net

10th grade. There is a lesson in biology. People armed with microscopes, studying the structure of the cell ...
The teacher asks the audience with a stick to scrape off "smear" on the inner surface of the cheeks, put it on a small piece of glass and check out this matter under the microscope.

Downstream of the teacher explains that, since the cells are not able to move, then the picture is static but can be observed in the microscope the cytoplasm, nucleus, etc.

And suddenly ...

One of the girls said: "I've got, like, cells move!" The teacher immediately blows to her poftykat in cham thing ... Ftykaet a couple of seconds ...
And suddenly says: "Children, let's all here soon - you have a rare opportunity to see what it looks like live sperm!"