Endurance because he keeps moving at a pace he set for himself and even though he must be tired from all the stopping and running he still works hard and doesn't stop
I would say A. Hope this helps
<span>The
answer to this question is electrocardiogram. Electrocardiogram or ECG is a
test that records the patient’s heartbeat and checks the electrical activity of
the patient’s heart. The electrodes that are placed on the skin of the patient
to capture the magnitude of the heart’s electrical depolarization and to check
any presence of heart muscle damage. </span>
It would cause dangerously low glucose levels in the blood