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Choose an incorrect statement regarding the functions of large intestine |
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a) |
Large intestine absorbs the products of bacterial digestion |
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b) |
Absorption of electrolytes, water and some amino acids occur mainly in the stomach |
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c) |
Mucous lubricates faecal matter |
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d) |
Feces are temporarily stored in the rectum |
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Choose an incorrect statement regarding the functions of large intestine |
|
|
a) |
Large intestine absorbs the products of bacterial digestion |
|
b) |
Absorption of electrolytes, water and some amino acids occur mainly in the stomach |
|
c) |
Mucous lubricates faecal matter |
|
d) |
Feces are temporarily stored in the rectum |
(b)
About 90% of the total water is absorbed in the small intestine, while balance 10% are absorbed in the stomach and large intestine. Large intestine also absorbs some minerals, drugs and products of bacterial digestion like amino acids and vitamins B-complex and vitamin-K. It secretes mucous which, lubricate faeces and facilitate its flow into the rectum, where it is stored temporarily.
Electrolytes and amino acids are absorbed in the duodenum and jejunum