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During heavy exercise, we get cramps in the legs due to the accumulation of ______. - Science

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Question

During heavy exercise, we get cramps in the legs due to the accumulation of ______.

Options

  • carbon dioxide

  • lactic acid

  • alcohol

  • water

MCQ
Fill in the Blanks

Solution

During heavy exercise, we get cramps in the legs due to the accumulation of lactic acid.

Explanation:

Lactic acid builds up in muscles during intense exercise when oxygen levels are low, leading to cramps.

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Chapter 10: Respiration in Organisms - Exercises [Page 118]

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NCERT Science [English] Class 7
Chapter 10 Respiration in Organisms
Exercises | Q 5.2 | Page 118

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