Question

explain the parts of alementary canal​

Answer 1

Answer:

Alimentary canal, also called digestive tract, pathway by which food enters the body and solid wastes are expelled. The alimentary canal includes the mouth, pharynx, esophagus, stomach, small intestine, large intestine, and anus.  

Mouth

Mouth is the opening through which intake of food occurs.

Oral cavity

The oral cavity has three parts –palate, tongue, and teeth.

Palate -It forms the roof of the oral cavity. Anterior part is called hard palate and the posterior part is called soft palate.

Teeth

Humans are diphyodont i.e. they have two sets of teeth- milk or deciduous and permanent teeth. Here is the list of different types of teeth in humans with their functions.

Pharynx

It forms the common passage for food and air.

Esophagus

It is a muscular tube through which small bolus of food passes from the mouth to the stomach. It is sharply bent at the point at which it meets the stomach.

Stomach

It is a muscular bag which has three parts- cardiac part, fundus, and body.

Cardiac part– It is so called because it is present close to the heart. The opening of the esophagus to the stomach is regulated by the cardiac sphincter.Fundus– It is dome-shaped and is usually filled with air.Body– This is the main part of the stomach. The opening of the stomach into the small intestine is regulated by the pyloric sphincter.Small Intestine

It is the longest part of the alimentary canal and comprises three parts- Duodenum, Jejunum, and Ileum.

arge Intestine

The small intestine leads into the large intestine which has three parts- Caecum, Colon, and Rectum.

Hope it helps you

Answer 2

Answer:

the parts of alementary canals are as follows:-

• Mouth(buccal cavity)
• Oesophagus (food pipe)
• Stomach
• Small intestine
• Large intestine
• Rectum
• Anus

The food enters the alimentary canal at the mouth (or buccal cavity).As the food travels through the various parts alimentary canal,it gradually gets digested .During this passage of food pipe through alimentery cannel,the various glands ( salivary glands,liver,pancreas )and inner wall of stomach and small intestine,screte digestive juices .These digestive juices convert into complex substances of food into simpler substance which can be absorbed by the body.The undigested part of food is defecated (thrown out) through the last part of alimentary canal called anus....

i hope it will help you.....