S: Large organ that lies under the diaphragm andis made of 100,000 lobules;
F: Filters blood, removes iron, vitamins, storesglucose as glycogen, makes plasma proteins, makes bile, breaks down hemoglobin
Explain how the S/V ratio is so large in the small intestine. Why is that important?
Absorption is slow, so the increased S/V ratio allows absorption of nutrients.
Be able to list the major facts associated with each of the following Disorders: (the information underlined in the power point)
a. Gas swallowing air or during the breakdown process of certain foods by the bacteria that is present in the colon.
b. lactose intolerance lack an enzyme that is called lactasec.
c. ulcers Ulcers are holes in the GI tract; The mucous lining that normally protects the stomach from digestion must be compromised for an ulcer to developd.
d. diarrhea watery stool, Caused by:Irritation of the intestine; Usually related to a bacterial or viral infectione.
e. constipation Infrequent bowel movements due to hard, dry stool; Caused by:Lack of fiber.
f. colorectal cancer Cancer of the colon or rectum; Colorectal cancer is the second leading cause of death by cancer in the U.S.A.; Caused by polyps – polyp growth directly related to diet and/or constipationg. g. stomach cancer Helicobacter pylori infection and a poor diet
h. liver disorders i. jaundice When bile pigments leak to blood
ii. hepatitis Infection of the liver, usually viral