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The mouth, scientifically called the “oral cavity,” is the beginning of your digestive system where food starts its journey through your body!

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The mouth, scientifically called the “oral cavity,” is the beginning of your digestive system where food starts its journey through your body!
The center of your eardrum is called the umbo, which means "shield boss" in Latin!
Your humerus begins growing while you’re still in your mother’s tummy — and as you grow up, it keeps getting longer and stronger until roughly your late teens, when it becomes a full, solid adult bone.
The scientific name for these tiny air sacs in your lungs is “alveoli” (pronounced al-VEE-oh-lie), and just one is called an “alveolus”!
Getting enough sleep helps your body make new blood cells while you rest!