Digestion Notes

1
Digestion Notes
2
Food is Processed in FOUR stages

• A. Ingest - mouth
• B. Digest breakdown of food
• C. Absorb nutrients in small intestines and
  water in large
• D. Eliminate rectum and anus

3
(No Transcript)
4
Types of Digestion

• A. Mechanical Digestion chewed, mixed and
  churned
• B. Chemical Digestion Chemical reactions occur
• Enzymes speed up rate of chemical reactions

5
Note

• Homeostasis regulating internal environment
  while external environments are changing
• Peristalsis muscle contractions that move food
  down and aid in digestion

6
Organs of Digestion

• A. Digestive Tract mouth, esophagus, stomach,
  sm. Intestine, lg. intestine, Rectum, Anus
• B. Accessory Organs Tongue, Teeth, Salivary
  Glands, Liver, Gallbladder, Pancreas

7
Order of Digestion

• A. Mouth
• B. Esophagus
• C. Stomach
• D. Small Intestine
• 1. duodenum
• 2. jejunum
• 3. ileum
• E. Large Intestine
• F. Rectum