WHY DO WE SNEEZE AND YAWN
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why do we sneeze - Sneezing, also called sternutation, is your body's way of removing an irritation from your nose. When the inside of your nose gets a tickle, a message is sent to a special part of your brain called the sneeze center.
why do we yawn - One is that when we are bored or tired, we just don't breathe as deeply as we usually do. As this theory goes, our bodies take in less oxygen because our breathing has slowed. Therefore, yawning helps us bring more oxygen into the blood and move more carbon dioxide out of the blood
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cough us the contect answer
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