A teacher was giving a lesson on the circulation of the blood. Trying to make the matter clearer, he said: "Now, students, if I stood on my head the blood, as you know, would run into it, and I should turn red in the face." "Yes, sir," the boys said. "Then why is it that while I am standing upright in the ordinary position the blood doesn't run into my feet?" A little fellow shouted, "It's because yer feet ain't empty."

Teacher: And therefore, sperm cells are made up of glucose. Student: So you're saying that sperm has sugar in it? Teacher: Technically. Yes. Student: But it doesn't even taste like that... Teacher: what? Student: what?

A mom calls out to her son "Harry! Wake up! You'll be late for school." The son replies, "Mom I don't want to go to school! The teachers and students hate me! Give me one reason I should go!" The mom says back, "You should go because you're the principal!"

A student was lucky to find a decent accommodation with a cheap rent. His colleagues came to visit him and he was showing them the house. "This is the kitchen. This is the bedroom. And this one is the living room ... " "And what are this hammer and this pot that are hanging on the wall for? What are you going to do with them?" one of his colleagues asked. "This is a talking clock." "I have never seen a clock like that. Can you show me how it works?" "Sure. Look," the student said. He took the hammer and struck at the pot with all his strength. Then a voice was heard from the other side ... read more

Early one morning a mother went to wake up her son. "Wake up, son. It's time to go to school!" "Buy why, Mom? I don't want to go." "Give me two reasons why you don't want to go." "Well, the kids hate me for one, and the teachers hate me, too!" "Oh, that's no reason not to go to school. Come on now and get ready." "Give me two reasons why I *should* go to school." "Well, for one, you're 52 years old. And for another, you're the PRINCIPAL!"