1. Day 2 Digestion Unit "The object of the superior man is truth." -ConfuciusConfucius

2. Today’s Agenda 1. Objective 2 2. Teeth: Obj. 5 3. Saliva, Chewing & Swallowing: Obj. 7-8 4. Intro to the Stomach

3. Obj. 2: Major Digestive Processes Ingestion Propulsion Mechanical Digestion Chemical Digestion Absorption Egestion

4. Peritoneum Peritoneum is the serous membrane lining the interior of the abdominal cavity & covering the surfaces of abdominal organs

5. Peritoneum Includes the omenta and the mesentary

7. Functions of the Mouth Mechanical Breakdown Mastication Chemical Breakdown Salivary Amylase: Carbohydrates

8. Tooth Structure Obj. 5

9. Tooth Structure Enamel: acellular, brittle, mineralized Dentin: bonelike material, forms bulk of tooth Pulp: supplies nutrients & provides tooth sensations Cementum: calcified connective tissue Obj. 5 cont

10. In each of the next frames, what part of the tooth is being effected? Diagram of a CAVITY Obj. 5 cont

12. Deciduous & Permanent Teeth Obj. 5 cont

13. Deciduous Teeth Also called baby or milk teeth 20 teeth by 2 years old Obj. 5

14. Permanent Teeth 32 teeth, start erupting by 6-7 yrs old Dental Formula:Right Left 2I, 1C, 2PM, 3M X 2 = 32 teeth 2I, 1C, 2PM, 3M Incisors, Cuspids, Bicuspids, Molars

15. Teeth How many permanent teeth do you have if you had your wisdom teeth taken out? What is the hardest part of the tooth? Name the 4 categories of teeth. Where is the root canal of the tooth located? Go to 7 show