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Assertion: The small intestine is extremely elongated and possesses plica circularis and villi.
Reason: These anatomical features contribute to the expansion of the internal surface area of the small intestine, facilitating efficient absorption of food.
Both Assertion & Reason are True &the Reason is a correct explanation of the Assertion.
Both Assertion & Reason are True but Reason is not a correct explanation of the Assertion.
Assertion is True but the Reason is False.
Both Assertion & Reason are false.
Answers (1)
The assertion states that the small intestine is long and possesses plica circularis and villi, which is true. The small intestine is the longest part of the digestive system and is characterized by numerous folds called plica circularis and finger-like projections called villi. These structures increase the surface area available for nutrient absorption.
The reason provided states that these anatomical features contribute to the expansion of the internal surface area of the small intestine, facilitating the efficient absorption of food. This is also true. The presence of plica circularis and villi greatly enhances the surface area of the small intestine, allowing for more contact between the intestinal lining and the digested food. This increased surface area promotes better absorption of nutrients, including carbohydrates, proteins, and fats.
Therefore, in this case, both the assertion and the reason are true, and the reason provides a correct explanation for the assertion.Hence, the correct answer is option 1.
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