Anatomy jokes

Most people think an octopus has 8 legs.

Actually, they have 6 legs and 2 arms. How can you tell which are the arms?

Hit it on the head. The two that go up to the head when he says "Owwww" are his arms.

Why does a giraffe need such a long neck?

Because its head is so far away from its body.

How do skeletons have sex?

They bone each other.