Answer:
True
Explanation:
The lactic acid system involves the conversion of glucose to lactate at low oxygen levels. In this process, energy in the form of ATP (2 molecules) is generated as glucose is being converted to pyruvate in the cells of the muscle.
High intensity events would naturally deplete oxygen levels. High jump and track and field are classified as high intensity events.
Therefore, in situations like this where the oxygen level is low, the lactic acid system is necessary for generation of energy.
