Read carefully the terms given below. Which of the following set is the correct combination of organs that do not carry out any digestive functions? (a) Oesophagus, Large Intestine, Rectum (b) Buccal cavity, Oesophagus, Rectum (c) Buccal cavity, Oesophagus, Large Intestine (d) Small Intestine, Large Intestine, Rectum

Soln:

The answer is (a) Oesophagus, Large Intestine, Rectum

Explanation:

Oesophagus pushes the food downwards, and it is not involved in any digestive functions.

The large intestine absorbs water and some salts from the undigested food material, and it is not involved in the digestion process.

In the rectum, the remaining waste passes and remains there as semi-solid faeces. It is not involved in any digestive function.