HUMAN NUTRITION

 Level: Grade 12

1.

If the salivary glands are not of the endocrine type, what are they?



2. The three most important functions of food are:
intoxication
indulgence
source of energy
source of regulating substances
formation of adipose tissue
material for growth and repair

3. The following are the structural elements of a villus:
single layer of columnal epithelial tissues
goblet cells
aorta
lacteal
network of capillaries
triple layer of columnal tissue
lactone
bile duct
goblins
central core

4. The liver plays a major role in detoxification, glycogen storage and plasma protein synthesis.
TrueFalse

5. The rectum is ...
the second smallest part of the large intestine
the largest part of the large intestine
the smallest part of the large intestine
the second largest part of the small intestine

6. What is that hard ring of smooth muscle that creates a boundary between the stomach and the small intestine called?

7. The stomach is very definitely an organ.
TrueFalse

8. What causes the opening between the oesophagus and the stomach to close when needed?

9. What causes the opening between the stomach and the duodenum to close when needed?
urethral sphincter
pyloric sphincter
epiglottis
cardiac sphincter

10.

The alimentary canal is made up of the following:


mouth
nasal passage
anus
stomach
intestines
oesophagus
pharynx
diaphragm
liver
urether
cranium

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