DIGESTION:   The Human Body

by Tyrethis Penrice

Objectives

Develop a better understanding of the digestive system.

Name and describe the main organs.

The grade level is ninth/tenth grade.

DIGESTION: The Human Body

Description

 

 The digestive system plays a vital role in the functioning of the human body. It regulates the energy break down for the cells of the body. Without the digestive system, the cells of the body would not obtain the energy needed for proper functioning.

 

Main organs

mouth, pharynx and esophagus

stomach

small intestine

large intestine

liver

pancreas

 

Questions

Part A

Write T for true and F for false.

  1. Without the large intestine, the cells of the body would not  obtain the energy needed for proper functioning.
  2. The small intestine is a main organ of the digestive system.

    Part B

    Write the word or words in the blank that complete the sentence correctly.
  3. The process of digestion begins in the ___________.
  4. The ___________is a cavity that leads to the ___________.
  5. One of the stomach's most useful attributes is its ability to secrete ___________  ___________.
  6. Intestinal __________ play a major role in the absorption of digestive products.
  7. The _________ stored in the ___________ is composed of bile salts, bile pigments, cholesterol, and various electrolytes.
  8. One of the most important parts of ___________ is the bile salts.
    9.   Fat ___________ naturally clump together.

    10.  A majority of the ____________ is made up of the cells that produce pancreatic juice.

Answers

1.   F  2.   T 3.  mouth 4. pharynx , stomach  5. gastric juices 
6. villi  7. bile, gallbladder 8. bile 9. molecules 10. pancreas

Reference: http://arbl.cvmbs.colostate.edu/hbooks/pathphys/digestion/

Conclusion

The digestive system is the process whereby food is changed into forms that body cells can use for proper function.

Evaluation:

10 points for each correct answer.  If two answers are needed, 5 points for each correct answer.

Definitions:

cell
the basic and usually smallest unit of an organization.
absorption
to take in and make part of an existent whole.
nutrient
furnishing nourishment.
chyme
the semi-fluid mass of partly digested food expelled by the stomach.
feces
bodily waste discharged through the anus.
villi

one of the minute finger-shaped processes of the mucous membrane of the small intestine that serve in absorption.
pigment
a coloring matter especially in  a cell.
molecule
a tiny bit, particle.
enzyme
any of numerous complex proteins that are produced by living cells.
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ŠTyrethis Penrice