ADD BIO: Exercise 0.0 / 5 ? BiologyRespiration and exerciseGCSEAQA Created by: AngeleSofiaCreated on: 22-05-16 10:34 What is the effect of sudden physical activity on the body? Increased heart rate, breathing more deeply. 1 of 5 What is muscle fatigue? When muscles become tired and stop contracting efficiently. 2 of 5 Why do we carry on heavily breathing after exercise? As oxygen must oxidise the lactic acid in the body. 3 of 5 n n 4 of 5 n n 5 of 5
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