1.Why don't some couples go to the gym? Because some relationships don't work out.

2.I wasn't originally going to get a brain transplant, but then I changed my mind.

3.Did you hear about the guy whose whole left side was cut off? He's all right now.

4.I'd tell you a chemistry joke but I know I wouldn't get a reaction.

5.I wondered why the baseball was getting bigger. Then it hit me.

6.A friend of mine tried to annoy me with bird puns, but I soon realized that toucan play at that game.

7.Yesterday I accidentally swallowed some food coloring. The doctor says I'm OK, but I feel like I've dyed a little inside.

8.Did you hear about the guy who got hit in the head with a can of soda? He was lucky it was a soft drink.

9.Have you ever tried to eat a clock? It's very time consuming.

10.I'm reading a book about anti-gravity. It's impossible to put down.

Have a good day :)