is an organ of the alimentary canal?

Small intestine

Explanation:

The given question has not provided the options neither they are found anywhere therefore it can be assumed that the examiner is asking the most important organ of the alimentary canal.

The alimentary canal is the hollow tube-like structure formed inside the human which are associated with the digestion of the food material. The main organs of the alimentary canals are the oesophagus, stomach and the intestine.

The intestine is the main organ of the canal as it is associated with the digestion of the complex biomolecules and the absorption of these nutrients.

Thus, the small intestine is the correct answer.

desert perennials often survive by remaining dormant during dry periods of the year, then springing to life when water becomes available. most annual desert plants germinate only after heavy seasonal rain, then complete their reproductive cycle very quickly.

photosynthesis makes the glucose that is used in cellular respiration to make atp. the glucose is then turned back into carbon dioxide, which is used in photosynthesis. while water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water.