What is mechanical digestion? And chemical digestion? What type of digestion occurs in the mouth.

Mechanical digestion involves physically breaking down food into small pieces. Chemical involves breaking down food into nutrients that are used by the cell. They both begin in the mouth because you chew the food(mechanical) and the saliva in your mouth(chemical).

You should provide a picture to show where the arrow is pointing and which information that is given. but there are 3 branches of the government, legislative, executive, and judicial. legislative makes laws, executives pass laws, and judicial are the courts

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