Project #74702 - Human Physiology Digestive System

 

Digestive System Review:

 

  1. Trace the pathway of food from your mouth to the anus. Name the accessory organs and the digestive organ they help.
  2. Where does digestion occur? Where does absorption occur?
  3. Give the organ that secretes the enzyme, what the enzyme digests, and where the digestion occurs:

 

Salivary amylase

 

Pepsin

 

Carboxypeptidase

 

Pancreatic amylase

 

Pancreatic lipase

 

Trypsin

 

Chymotrypsin

 

Nuclease

 

Brush border enzymes

 

  1. Are all enzymes secreted in active form?  Why or Why not? If not, how are they activated?
  2. For each of the hormones or substances, give the organ that secretes, its function, and what stimulates its secretion:

 

Gastrin

 

Somatostatin

 

HCl (explain how this is secreted indirectly)

 

CCK

 

Secretin

 

  1. From what is bile formed?  What is the function of bile?
  2.  Why does the blood travel to the liver after absorption before traveling to the heart for circulation?
  3. How are carbohydrates, proteins, and lipids absorbed?
  4. What is the difference between peristalsis and segmentation? Where does each occur?

 

Subject Medicine
Due By (Pacific Time) 06/23/2015 09:00 am
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