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A digestive enzyme, salivary amylase, in the saliva begin digestion of-
1. Carbohydrates
2. Protein
3. Fats
4. Nucleic acids

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Correct Answer - Option 1 : Carbohydrates

The correct answer is Carbohydrates.

 

  • The human digestive system consists of two parts, the alimentary canal, and the associated glands.
  • The mouth leads the food to be digested into the buccal cavity.
  • The digestion of carbohydrates begins in the buccal cavity.
  • The buccal cavity performs two major functions
    • Mastication of food.
    • Facilitation of swallowing.

 

  • A digestive enzyme, salivary amylase, in the saliva begin the digestion of carbohydrates
  • The chemical process of digestion is initiated in the oral cavity by the hydrolytic action of the salivary amylase.
  • From the mouth, food reaches into the stomach through a food pipe called the esophagus.
  • There is no digestion inside the food pipe.

 

  • The digestion of fat begins in the stomach.
    • Lipase is the digestive enzyme of fat.
  • The digestion of protein occurs in the stomach and duodenum.
    • Pepsin is the digestive enzyme of protein.

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