Until I read this chapter, I was a deaf in my whole life even though I could hear, because I never really knew how the fabulous ear works. I already knew about the category of ear into three parts(outer,middle,inner), but what made me surprise is the connection between mammals' two ear bones and pieces of the jaw in the reptiles. I could easily understand Shubin's logical and orderly explanation and agreed on the conclusion that bones at the back of a reptile jaw became human being's malleus and incus.
By learning the function of gel inside swishes, I was able to comprehend why drunk people were so bad at balancing themselves. If you really think about it, it's amazing how brain misinterprets the amount of fluid in our inner ear and confuses us. Anyway, in spite of short content in this chapter, I learned many valuable new facts and I feel like I can hear better than before after reading this chapter!
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