question_answer

  Nisha is going through the science notebook of new brother. She suddenly came across a question stating, what is the   reason behind regular formation of cramps in cricketers? Her brother stated the answer as cramps are developed due to tear in ligament.                 Read the above passage and answer the following questions (a) Is this answer correct? State reasons for your answer. (b) What values were shown by Nisha?     

Answer:

                  (a) No, the answer is not correct. Sometimes during rigorous physical work or exercise the amount of oxygen declines in our muscle cells. At this time when the oxygen in less in amount, pyruvate breaks down due to insufficient oxygen and form lactic acid instead of carbon dioxide and water. Cramps are formed in the body of cricketers due to the sudden formation of lactic acid.  (2) (b) The values shown by Nisha are attentiveness and carefulness.                      (1)