Question

On Sunday morning Sahil went for a walk and energy was utilised,
derived from the breakdown of a substance A on combining with
oxygen, B and C were formed as the end products.
After sometime, Sahil started jogging very fast and later on
developed muscular pain in his legs due to accumulation of X
because of lack of Y. This process is known as Z.
What are unknown substances A,B,C,X,Y and Z?

Answer 1

Answer:

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