The epiglottis is a flap in the back of your tongue that prevents food from entering the larynx. When your mouth is closed, the epiglottis is in place and blocks the larynx opening. If your mouth is open, the flap lifts and the larynx is no longer blocked so you can breathe. This is why it's important to not chew with your mouth open... if you do, then food can go down the larynx by mistake.
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Answer: Organic compounds are used as building blocks for water, DNA, and starches water, proteins, and oxygen proteins, DNA, and carbon dioxide proteins, starches, and fats
water, DNA, and starches
water, proteins, and oxygen
proteins, DNA, and carbon dioxide
proteins, starches, and fats
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