Question

2. Write about the structure and functions of following organs of our digestive system
(a) Small intestine
(b) Large intestine​

Answer 1

♣AHOLA BRAINLIAC♣

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Small Intestine

==>Structure

The small intestine is a tube-like structure and the longest part (about 7 metres long) of alimentary canal.

It is divisible into three parts-

1. Duodenum
2. Jejunum
3. Ileum

==>Function

Small intestine complets digestion of the nutrients in chyme, absorbs the product of digestion, and transports the remaining residues to the large intestine.

Large Intestine

==>Structure

The large intestine is about 1.5-1.8 metres long and is wider than small intestine.

It has three parts-

1. The caecum
2. The colon
3. Rectum

==>Function

The large intestine doesn't digest or absorb nutrients, but it does secrete mucus. It absorbs electrolytes.

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