Your ears detect sounds and send these to the brain, which makes sense of the sounds. Your ears are always working, even while you are sleeping. There is a lot more inside the ear than you can see. The hardest bone in your body is in the inner part of the ear. There is also a part in your ear that helps you to balance . Humans have pierced their ears for thousands of years.
balance: v. put yourself in a position where you will not fall to either side
Unit 7
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