Mouth
The small intestine is the site of most chemical digestion and absorption in the digestive tract. During absorption, nutrients enter the bloodstream, and the circulatory system can then transport these nutrients to all body cells.
The first major site of chemical digestion in frog is their stomach
most chemical digestion occur starting from duoduenum, small intestine. starch start from saliva in mouth, protein in stomach.
small intestine
small intestine
Most chemical digestion in humans occurs in the small intestine. Enzymes produced by the pancreas, liver, and small intestine work to break down carbohydrates, fats, and proteins into nutrients that can be absorbed by the body.
In humans most mechanical digestion takes place in the mouth through chewing.
Chemical :digestion is when your saliva breaks down the food into small enough molecules for your cells to absorb Mechanical: digestion is when you chew the food
The small intestine
enzymes
the major part of the chemical digestion is the HCL (hydro chloric acid)
Chemical digestion and mechanical digestion