Question

Now give me Alimentary canal organs functions !!!!

Answer 1

Alimentary canal :

The digestive system from Oesophagus to the anus is called alimentary canal. It's about 9 m long!

It constitutes following organs namely :

a. Buccal cavity
b. Oesophagus
c. Stomach
d. Small intestine
e. Large intestine
f. Rectum
g. Anus.

Function of the above given respectively :

a. Buccal cavity :

Human take in food through mouth. where which salivary enzymes breaks down starch into sugar.

b. Role of Oesophagus :

It allows passage of food from Buccal cavity to the stomach.

c. Role of Stomach :

Here HCL, mucus and several digestive enzymes mixed with food. Where which HCL males food acidic fit enzymes to action.

d. Role of Small intestine :

This tube has three main divisoms namely - Duodenum, jejunum and ileum. Duodenum is responsible for mixing bile and pancreatic juice with food. Jejunum is middle part going only in man.

Total absorption takes place in the ileum. This ileum has villi on the surface. This villi increases area for absorption. The villi have blood vessels, digested food passes villi to there and enters the blood stream. Which then transfer to liver and then to the heart ♥ .

e. Role of large intestine, anus and rectum :

Food from small intestine moves there. Here the most of water and salt be removed from the waste by absorbtion. This intestine all the passage of faecal matter through the anus.

Answer 2

Aloha

question :- alimentary canal oragans and its function

Answer:- Mouth
(primary organ) to begin the breakdown of food physically and chemically, and to move food on to the pharynx

Pharynx
(primary organ) to act as a passageway for air from nasal cavity to larynx and for food from mouth to esophagus, and to act as a resonating cavity for voice production

Esophagus
(primary organ) to act as a passageway for food from pharynx to stomach

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Stomach
(primary organ) to connect esophagus to small intestine, to secrete gastric juices which aid in digestion of food, and to serve as a temporary receptacle for food while it undergoes certain mechanical and chemical processes which change food to chyme

Small intestine
(primary organ) for the greatest amount of digestion and absorption of food, to receive bile and pancreatic juices, and to produce prosecretin which stimulates the associated digestive organs to produce their secretions

Large intestine
(primary organ) to reabsorb water and to discharge the wastes resulting from digestion

Teeth
(accessory organ) to chew, to crush, and grind food

Tongue
(accessory organ) to make speech possible, to taste food, to force food between teeth, and to move food through mouth

Salivary glands
(accessory organ) to secrete saliva which lubricates food making it easier to chew and swallow which contains digestive juices to act upon carbohydrates and soften food

Pancreas
(accessory organ) has various special cells which produce pancreatic juice and insulin

Liver
(accessory organ) produces bile, stores glycogen, regulates the changing of glucose to glycogen to glucose, stores iron and certain vitamins,(fat-soluble), and changes protein into substances (urea) for elimination

Gallbladder
(accessory organ) stores and concentrates bile and contracts to eject bile into small intestine when needed