Concept:Chemical digestion means breaking down large food molecules into smaller, absorbable molecules.
Explanation:During chemical digestion, enzymes act on complex food substances.
These complex molecules, such as starch, proteins, and fats, are hydrolysed into simple molecules.
For example, starch is broken down into glucose, and proteins into amino acids.
This process does not build up simple molecules into larger ones.
It also does not refer only to the breakdown of starch into carbohydrates.
Instead, it covers the general breakdown of all complex molecules into simple, soluble molecules.
Answer:Breakdown of complex molecules into simple molecules.