Biology · Grades 7–10
Digestion, absorption and nutrients · Revision sheet
Separate breaking down food from moving nutrients into the body.
Learn the idea
Digestion
Digestion includes mechanical processing and chemical breakdown of food molecules.
Enzymes
Digestive enzymes act on particular classes of molecules.
Absorption
Absorption transfers suitable products across an exchange surface into blood or lymph.
Balance
This guide explains biology, not a personalized diet or treatment plan.
Explain without looking
- Why is digestion not the same as cellular respiration?
- Which statement is more accurate?
Further reading and review references
- openstax.org · reference 1
- www.genome.gov · reference 2
- www.genome.gov · reference 3
- www.genome.gov · reference 4
- www.genome.gov · reference 5
- www.genome.gov · reference 6
These are reference links, not copied exercises, institutional endorsement or proof of independent review.
Independent educational review required. Grade bands are approximate; these are not officially aligned curricula.