Question

mechanical digestion involves the breakdown of large particles into smaller particles by substances called enzymes.

is this true or false?

Answer 1

That's false, mechanical digestion refers to particles being broken down physically, for example the act of chewing.Mechanical digestions begins in the mouth. Chemical digestions involves the process of breaking down large particles into very small pieces that cells can obtain from. Takes place mostly in the small intestine, the enzymes, in the chemical digestion, is used to break down substances.