Define what is meant by anaerobic respiration.
State the substance formed by anaerobic respiration in a human muscle cell during vigorous exercise.
State two differences between anaerobic respiration in a yeast cell and that in a muscle cell.
Calculate the ratio of energy released using the data in Table 6.1: ratio of energy released = energy released in aerobic respiration / energy released in anaerobic respiration. Give the answer to the nearest whole number.
Suggest why it is advantageous for the long distance athlete to respire aerobically rather than anaerobically.
Calculate the percentage rise in pulse rate.
Identify two incorrect words or phrases in the sentence: “The circulatory system is a network of alveoli with a pump and valves to ensure two-way flow of blood.”