1.

DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 2 We obtain energy by aerobic respiration. But anaerobic respiration can sometimes take place in our muscles during vigorous physical exercise when oxygen gets used up faster in the muscle cells than can be supplied by the blood. Which of the following activity can give relief from cramps?

A. hot water bath            
B. massage
C. Both (a) and (b)          
D. Sleep
Answer» D. Sleep


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