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How are the activities of gastro-intestinal tract regulated?

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प्रश्न

How are the activities of gastro-intestinal tract regulated?

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उत्तर

The neurological and hormonal systems control the actions of the gastrointestinal tract, sometimes known as the "GI- tract." The GI tract is connected by several intrinsic and extrinsic nerves. These nerves aid in the regulated working of the alimentary canal's numerous components. Furthermore, several hormones are involved in the coordination of these processes.

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अध्याय 16: Digestion and Absorption - Exercises [पृष्ठ ९४]

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एनसीईआरटी एक्झांप्लर Biology Exemplar [English] Class 11
अध्याय 16 Digestion and Absorption
Exercises | Q 8. | पृष्ठ ९४

संबंधित प्रश्न

Choose the correct answer among the following:

Gastric juice contains

 (i) pepsin, lipase and rennin

 (ii) trypsin lipase and rennin

 (iii) trypsin, pepsin and lipase

 (iv) trypsin, pepsin and renin


Answer briefly:

How does bile help in the digestion of fats?


Bile juice contains no digestive enzymes, yet it is important for digestion. Why?


How does butter in your food gets digested and absorbed in the body?


Mark the right statement among the following


Name the enzymes involved in the breakdown of nucleotides into sugars and bases?


Correct the following statement by deleting one of entries (given in bold).

Goblet cells are located in the intestinal mucosal epithelium and secrete chymotrypsin/mucus.


Correct the following statement by deleting one of entries (given in bold).

Fats are broken down into di- and monoglycerides with the help of amylase/ lipases.


Correct the statement given below by the right option shown in the bracket against them.

Rennin is a proteolytic enzyme found in gastric juice in (infants/adults).


Correct the statement given below by the right option shown in the bracket against them.

Dipeptides, disaccharides and glycerides are broken down into simple substances in region of small intestine. (jejunum/duodenum)


How is the intestinal mucosa protected from the acidic food entering from stomach?


Describe the enzymatic action on fats in the duodenum.


A person had roti and dal for his lunch. Trace the changes in those during its passage through the alimentary canal.


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