Force and leverage help to explain how the body works. Force helps the body to move in space as it acts against the air around it. Leverage helps the body stay upright.
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Answer:
self concept going hand in hand with self knowledge
That would be 2 it goes into all those numbers
A) foods are physically broken down into smaller pieces!
your mouth brakes the food into small pieces and is the main part but chemical reaction also occurs,
the saliva in your mouth helps you swallow the food easily!
just imagine eating your food dry like doritos that will hurt! your saliva makes it a lot easier and painless!
