The alimentary canal includes which structures? select all that apply.
-nose
-mouth
-stomach
-esophagus
-pharynx
-small intestine

The correct answer is Mouth, Pharynx, Esophagus, Stomach, and Small intestine.

Alimentary canal is also known as digestive tract. It represents a pathway through which food is first taken in, then allowed to digest and finally the undigested food in released through anus.

From the given options, the structures included in the alimentary canal are (in the order)- Mouth- Pharynx- Esophagus- Stomach- Small intestine.

Mouth is the structure that ingests the food. Digestion begins in the mouth itself. It starts the digestion of carbohydrates through salivary amylase enzyme.

Pharynx is a muscular flap that aids the movement of food in the esophgus, which helps in the swallowing through peristaltic movements.

Stomach lies after esophagus. Protein digestion takes place in stomach.

Small intestine is a coiled tubular structure where complete digestion of food takes place. It is also the site of absorption of nutrients.