How do we hear sound?

Question 1

What are the first 4 steps to hearing a sound

Answer 1

1.Sound waves travel through the air
2.your outer ear(pinna) is the part of your ear that you can see
3.your outer ear(pinna)catches sound and sends them along your ear canal
4.The sound waves make the eardrum vibrate .The eardrum is stretched tight like the plastic on the empty tin can

Question 2

What are the last 4 steps of how to hear sound?

Answer 2

5.The vibrations travel through tiny bones in your middle ear
6.the vibrations travel through your inner ear
7.A nerve takes a message about the sound to your brain
8.when the message reaches your brain you hear the sound