Human Digestive System

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Questions and Answers

What prevents the food from traveling in the backward direction from the stomach to the oesophagus?

  • Pepsin
  • Peristalsis
  • Valve (correct)
  • Mucous

Which gland secretes hydrochloric acid, pepsin, and mucous into the stomach?

  • Gastric gland (correct)
  • Intestinal gland
  • Pancreas
  • Salivary gland

Which enzyme in saliva breaks down starch in food into simpler sugar?

  • Pepsin
  • Lipase
  • Lysozyme
  • Amylase (correct)

In which part of the digestive system does peristalsis occur to push food forward to the stomach?

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

Which component is NOT part of the alimentary canal in the human digestive system?

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

Which enzyme is NOT a component of gastric juice secreted by the gastric glands?

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

Which gland secretes saliva into the buccal cavity for digestion?

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

What is the last part of the digestive system through which undigested food is eliminated from the body?

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

The alimentary canal is made up of all EXCEPT:

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

In humans, digestive glands include all of the following EXCEPT:

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

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