Which region of the alimentary canal is also known as stomodaeum?

1.	Which region of the alimentary canal is also known as stomodaeum?
Answer» 1. Foregut or stomodaeum: It consists of pharynx, oesophagus, crop and gizzard. 2. Pharynx: It is very short, narrow but muscular tube that opens into oesophagus. 3. Function: Conduction of food into the oesophagus. 4. Oesophagus: It is slightly long and narrow tube which opens into crop. 5. Crop: Crop is a large, pear shaped and sac- like organ. 6. Function: It temporarily stores the food and then sends it to gizzard. 7. Gizzard: Gizzard or proventricuius is a small spherical organ. It is provided internally with a circlet of six chitinous teeth and backwardly directed bristles.The foregut ends with gizzard. Function: The chitinous teeth present in gizzard are responsible for crushing the food and the bristles help to filter the food.

Answer»

1. Foregut or stomodaeum: It consists of pharynx, oesophagus, crop and gizzard.

2. Pharynx: It is very short, narrow but muscular tube that opens into oesophagus.

3. Function: Conduction of food into the oesophagus.

4. Oesophagus: It is slightly long and narrow tube which opens into crop.

5. Crop: Crop is a large, pear shaped and sac- like organ.

6. Function: It temporarily stores the food and then sends it to gizzard.

7. Gizzard: Gizzard or proventricuius is a small spherical organ. It is provided internally with a circlet of six chitinous teeth and backwardly directed bristles.The foregut ends with gizzard.

Function: The chitinous teeth present in gizzard are responsible for crushing the food and the bristles help to filter the food.

Discussion

No Comment Found

Related InterviewSolutions

What were the two main occupations of the Rig Vedic Aryans?
Name the two political institutions which exercised check on the powers of the King in the Rig Vedic period.
What w’as the position of women in the Rig Vedic age ?
Describe the social life of the Rig Vedic Aryans with reference to the following: (a) The Family Structure (b) Position of Women (c) Varna System
With reference to the following explain the main features of the Rig Vedic Economy: (a) Agriculture (b) Domestication of Animals (c) Trade Transactions, Crafts and Transportation
Mention any two archaeological sources to reconstruct the later Vedic Age.
Mention any two of the Ashrams in the life of a man in Aryan society.
What information do we gather from the later Vedic literature in respect of: (a) Spread of Vedic Civilization to many New Regions. (b) Role of Iron in later Vedic Economy.
Mention briefly the rituals and sacrifices of the later Vedic Aryans?
What is the message of the Bhagavad Gita?