Funny Riddles

Question: Why don't mountains catch colds?

Question: Which side of a cat has the most fur?

Question: What goes up, lets out a load, then goes back down?

Question: A poor man is sitting in a pub. He sees that the man next to him is extremely rich.

Poor man: I have an amazing talent; I know almost every song that has ever existed.

The rich man laughs.

Poor man: I am willing to bet you all the money you have in your wallet that I can sing a popular song that includes a lady's name of your choosing.

The rich man laughs again.

Rich man: OK, how about my daughter's name, Joanna Armstrong-Miller?

The poor man goes home rich.

What song did he sing?

Question: I am very easy to get into,but it is hard to get out of me.What am I?