Add to that the immersion underwater physical exertion and the danger of falling unconscious because we intense blood flow to your brain, in the end of the equation we get not just an ordinary trick.
This group was set up to cater for the less active, more elderly or families with very young children who still want to enjoy the great outdoors but without quite so much exertion.
He wiped his face with his handkerchief, for he was quite warm from the exertion of being Chairman of the World. It had taken more running and leaping and sliding than he had imagined.
Once or twice she opened her eyes with an effort, and calmly but unconsciously smiled upon us; but by-and-by, even her benevolence was not equal to this exertion, and she was sound asleep.
These experiments showed no activity in either the amygdalas or the pACC, suggesting that the earlier results were indeed the result of social stress rather than mental exertion.
Usually the pain and symptoms last less than 20 minutes and subside after the exertion or stress is taken away, and therefore the heart muscle isn't demanding as much blood.
The Mongolia, thanks to the vigorous exertions of the engineer, seemed likely, so rapid was her speed, to reach her destination considerably within that time.