CBSE BOARD X, asked by sneham8421, 1 year ago

how can you justify the enteric nervous system in second brain of gut ?

Answers

Answered by shreyanshugupta2002
31
These neurons helps us to feel the inner system of our gut and its other contents. It has the ability to control its our reflexes and actions. The enteric nervous system is termed as the second brain of the gut because it has the ability to operate independent of the brain and the spinal cord.
Answered by jarpana2003
26

1) Enteric nervous system, the second brain consists of sheaths of neurons embedded in the walls of the long tube of our gut, or alimentary canal.

2) The second brain measures about nine meters end to end from the oesophagus to the anus.

3) The second brain contains some 100 million neurons, more than in either the spinal cord or the peripheral nervous system.

4) This multitude of neurons in the enteric nervous system enables us to “feel” the inner world of our gut and its contents.

5) Enteric nervous system contains mass of neural tissue filled with importantneurotransmitters. .

6) This reveals that it does much more than merely handle digestion or inflict the occasional nervous pang of hunger.

7) Enteric nervous system stimulates and coordinates the breaking down of food, absorbing nutrients and expelling of waste.

8) Thus equipped with its own reflexes and senses, the second brain can control several gut functions often independently of the brain.

9) Several scientists also believe that the enteric nervous system is a way too complicated to have evolved only to make sure things move through and out of our gut smoothly.

10) Hence we can justify that the enteric nervous system as the second brain of the gut.


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