Digestive System: Small and Large Intestine

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Questions and Answers

What is the main function of the jejunum in the small intestine?

  • Storage of waste
  • Absorption of nutrients from the digested food (correct)
  • Elimination of waste through the anus
  • Absorption of water from waste

Where in the small intestine are thousands of minute villi located?

  • Ascending colon
  • Ileum (correct)
  • Duodenum
  • Jejunum

What is the primary role of the large intestine?

  • Production of bile
  • Storage of waste (correct)
  • Digestion of food
  • Absorption of nutrients

Which organ is responsible for the secretion of bile to break down fats?

<p>Liver (D)</p> Signup and view all the answers

What is the main function of the gall bladder?

<p>Storage of bile (B)</p> Signup and view all the answers

What is the primary function of amylase in the digestive process?

<p>Break down carbohydrates (D)</p> Signup and view all the answers

Where does the majority of nutrient and vitamin absorption take place in the small intestine?

<p>Jejunum (B)</p> Signup and view all the answers

Which enzyme is responsible for breaking down casein in the stomach?

<p>Rennin (D)</p> Signup and view all the answers

What is the primary function of massage in relation to digestion?

<p>Encourages nutrient absorption (A)</p> Signup and view all the answers

Which category of food includes sugar as a form of its composition?

<p>Carbohydrates (A)</p> Signup and view all the answers

What is the primary function of protein in the body?

<p>Building and repairing cells and tissues (A)</p> Signup and view all the answers

What happens when there is a shortage of protein in the diet?

<p>Lowered resistance to disease (B)</p> Signup and view all the answers

Which enzyme breaks down carbohydrates into polysaccharides in the mouth?

<p>Salivary amylase (D)</p> Signup and view all the answers

What is the primary role of carbohydrates in the body?

<p>Providing energy for cellular respiration (A)</p> Signup and view all the answers

Where does glycogen, used to enable muscle contraction, originate from?

<p>Carbohydrates (B)</p> Signup and view all the answers

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