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To break down large food particles into smaller ones, so that the surface area of the particles is increased and then can be acted on by digestive enzymes and thus absorbed by cells and then excreted as faeces.
NOTE: Chemical digestion is really just a fancy name for digestion. Mechanical digestion is actually the chewing of food particles (the eating).
Source: nature of Biology book 1 (3rd edition).
What else can I help you with?
Vertebrates often have mechanical and chemical ways of digesting food what is a main part of mechanical digestion?
Teeth
Is pepsin chemical or mechanical digestion?
Pepsin is an enzyme that plays a role in chemical digestion. It breaks down proteins into smaller peptides in the stomach.
Do all vertebrates have intracellular digestion?
Nope.
Does digestion takes place in pharynx in lower vertebrates?
no
What are the types of digestion?
Chemical digestion and mechanical digestion
Is digestion a physical or chemical change?
Its a chemical change.
Is pancreatic lipase mechanical or chemical digestion?
No, the pancreas is involved in chemical digestion, as it secretes enzymes which catalyze the breakdown of food molecules.
Where is the start of chemical digestion?
the start of chemical digestion is the mouth and ends in the small intestine. This is true and the saliva has the power of the chemical digestion
What organ carries out most chemical digestion?
The pancreas secretes digestive enzymes that help break down carbohydrates, fats, and proteins in the small intestine. This organ plays a crucial role in the chemical digestion of food.
Where does chemical and mechanical digestion take place?
what is responsible for chemical digestion in earthworms
Is absorption mechanical or chemical digestion?
does absorption occur when mechanical or chemical digestion
A Comparison of mechanical digestion and chemical digestion?
chemical digestion is breaking down with saliva, and mechanical digestion is chewing...(break down with chew!):):P
