Chemistry, asked by Aneeshradan7718, 1 year ago

Q2. Give reasons for the following :
(a) Fish are cold blooded animals.
(b) Small intestine has villi.

Answers

Answered by Cooloer
2
HEYA!!!!!!!!!!!


HERE IS THE ANSWER TO YOUR QUESTION.....



A) They are Poikilotherms(Cold blooded) because they are unable to maintain their body temperature according to the environment.

B) This allows absorption to happen quickly and efficiently. To get a big surface area, the inside wall of the small intestine is lined with tiny villi. These stick out and give a big surface area. They also contain blood capillaries to carry away the absorbed food molecules.


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