Introduction to the Digestive System. Digestion Animals cannot ingest macromolecules made by other animals and use them directly 2 kinds: Mechanical.
The Digestive System By: Mike Phelan. Mouth Teeth break up food into smaller pieces When food enters the mouth, the teeth start to grind up the food so.
Excretory System Removing Metabolic Waste Excretion: Do Now – Name as many wastes as you can that must leave the body in order to be healthy.
Animal nutrition Everyone’s gotta eat The big picture Autotrophy vs. heterotrophy Why do we need food? –Use as fuel for cellular work –Form important.
Unit 3: Animal Anatomy & Physiology Components of The Digestive System II.
