Aim: How does the human digestive system maintain homeostasis? Do Now: Draw the human digestive system on loose leaf paper This shows what you Know? Write 2 questions of what you want to know about your digestive system

A B D C E F G HIHI J K Human Digestive System

Mouth Salivary glands Stomach Pancreas (behind stomach) Large intestine Small intestine Rectum Gallbladder (behind liver) Liver Esophagus Pharynx Figure 38–10 The Digestive System Section 38-2

Figure 38–13 The Liver and the Pancreas Section 38-2 A B C D E F

Liver Gallbladder Duodenum Bile duct Pancreas Pancreatic duct To small intestine Section 38-2

…purpose is digestion Food is the body's fuel source. The nutrients in food give the body's cells the energy and other substances they need to operate. But before food can do any of these things, it has to be digested into small molecules the body can absorb and use.

Digestive enzymes are.. proteins that can break down large molecules of food into small units that can pass through cell membranes

Digestive system terms Mastication Epiglottis Peristalsis Chyme

Stomach lining is protected from acid by… Mucous

HW #15 Read pages Answer assessment questions #1-4 Fill in the diagrams of the human digestive system

Aim: How are the human systems organized in the body? Task Cut out the parts of the digestive system. Glue or tape them in your notebook