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13 questions
Amylase is secreted by
salivary glands only
pancreatic glands only
Salivary and pancreatic glands
liver and small intestine
Protein digestion takes place
in the mouth
in the stomach
in the stomach and duodenum
all of the above
Bile is produced by the
Liver
Pancreas
Small Intestine
Large Intestine
The protective substance that lines the stomach is called
Mucus
Saliva
Pepsin
Trypsin
Waves of contractions that move food one way through the digestive system are called
Impulse
Peristalsis
Action Potential
Metabolism
Most nutrient absorption occurs in the ________________ .
mouth
stomach
large intestines
small intestines
Which of these increase does not allow the ileum to be adapted for absorption
large surface area
richly supplied with blood capillaries and lymphatic capillaries
ileum is one cell thick
long
In which order do these events occur in human nutrition? *2014 Q25
digestion-ingestion-absorption-assimilation
digestion-ingestion-assimilation-absorption
ingestion-digestion-absorption-assimilation
ingestion-digestion-assimilation-absorption
What is the function of the gall bladder? *2015 Q26
absorption of fat
digestion of fat
production of bile
storage of bile
The diagrams represent molecules of starch, protein and fat.
Which of the following mixtures of molecules will be found in the stomach?
The diagram shows the structure of a villus in the small intestine. The arrows show the direction of the flow of fluids. Where will fatty acids and glycerol be present in the largest amount?
A
B
C
D
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