Question

The walls of the food pipe secrete a slippery substance called:

• A. Amylase
• B. Lipase
• C. Mucus
• D. Bolus
  %Correct answer

Hint:

Mucus plays a key role in digestion by lubricating the food pipe, allowing food to move smoothly without friction.

Answer 1

The Correct Option is C

The walls of the food pipe (esophagus) secrete mucus, which helps in the smooth passage of food through the digestive system. Mucus acts as a lubricant, facilitating the movement of the food bolus.