Food Type Carbohydrate Fat Protein Sugars Use Long term energy Protecting organs and long term energy store Making muscle, enzymes, skin, hair Fast.
V10 cr smart_simple_organs_of_the_digestive_and_excretory_system_upper_grades
Digestive System2
digestion
All about the Digestive System!
13 digestion
Digestive System Digestion Phases Include 1.Ingestion 2.Movement 3.Mechanical and Chemical Digestion 4.Absorption 5.Elimination.
