1. ACCESSORY ORGAN NOTES

2. TEETH Crown and root (neck) Dentin – bonelike substance
Enamel – hardest substance in the body
Pulp cavity - blood vessels, nerves and connective tissue

3. Deciduous (baby teeth) – 20 teeth
Permanent – 32
Incisors - cut
Cuspids – tear and shred
Molars - grind

4. SALIVARY GLAND Saliva – 99.5 water moistens & softens food
Three pairs of glands:
parotid
Submandibular
sublingual

5. Salivary amylase
Digests starch in mouth

6. GASTRIC GLANDS Goblets cell – produce mucus
Mucus – provide protective lining
Chief cells – produce pepsinogen
Pepsinogen – in presence of hydrochloric acid converts to pepsin

7. Pepsin – protein digestion in stomach
Parietal cells – HCl, intrinsic factor
Intrinsic factor – absorption of vitamin B12

8. INTESTINAL GLANDS Secrete intestinal juice
Duodenal glands – alkaline mucus
Enzymes in duodenum digest ALL food groups

9. PANCREAS Water, salts, sodium bicarbonate – neutralizes stomach acid
Enzymes that digest all food types
All released into duodenum

10. LIVER Largest internal organ
Storage – glycogen, fat soluble vitamins, iron
Produces bile
Emulsifies (turns into fat droplets) fat
Removal of drugs and hormones

11. GALL BLADDER
Stores bile and released into duodenum