Discussion
Which of the following is a set of organs that do not contribute to the digestive process?
Answer: B
The set is oesophagus, large intestine, rectum.
None of these three organs secretes digestive enzymes or carries out the breakdown of food. The oesophagus only carries food to the stomach by peristalsis; the large intestine absorbs water and some salts from undigested food; the rectum stores the waste before it is passed out.
Each of the other sets includes an organ where digestion happens. Digestion of starch begins in the buccal cavity, through salivary amylase, and the small intestine is where digestion is completed.
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