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An athlete training to take part in an international competition moved to a high attitude area where he was to train for twelve days before...

      

An athlete training to take part in an international competition moved to a high attitude area where he was to train for twelve days before the competition. He took his pulses per minute daily and tabulated them as shown below:-

a) Other than pulse rate, name one other process which was affected by change of altitude

b) Account for the change in pulse rate from:-

i) Day 1 to day 7

ii) Day 8 to day 12

c) Explain the advantage this athlete has over the one who trains in a lower altitude area

d) The equation below represents a reaction which takes place during rapid muscular movements in humans.

lactic12481042019.png

i) State two effects of this reaction to an individual

ii) How is lactic acid finally eliminated from the muscle tissues of the human after the muscle

  

Answers


Martin
a) Ventilation

b)
i) lower concentration of oxygen in high altitude areas; raises the demand of oxygen by body cells

ii) Number of red blood cells has increased; hence enough oxygen is reaching all body cells adequately

c) Has a higher capacity of transporting enough oxygen to body cells; due to higher number of red blood cells; in the body (has lower oxygen demand)

d)
i) Muscle crumps; Muscle fatigue

ii) It is completely oxidized by oxygen to form water, carbon IV oxide and energy
marto answered the question on October 4, 2019 at 10:51


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