Physiology Jokes

You’re so lame, you don’t have a superpower!

"Yah, I do!"

Oh yeah? What is it?

"My diaphragm contracts and moves downwards into my chest cavity and my lungs expand!"

That’s breathing, Jim.

"NO IT’S NOT, JACOB, YOU CAN’T PROVE IT!"

A skeleton walks into a bar and said it takes "backbone" to mess with me, and if you try to insult me, I have thick skin.