A balanced diet, the digestive system, digestive enzymes, and absorption at the villi.
A balanced diet
Carbohydrates, proteins, lipids, vitamins (C, D), minerals (iron, calcium), fibre and water in the right amounts. Deficiencies cause disease (e.g. scurvy from lack of vitamin C; rickets from lack of vitamin D).
Viewing only
This content is free to read on superexams.com and cannot be printed or downloaded.
Read the full note, free
Create a free account to read this note in full. Every free account gets 2 complete revision notes, no card needed.