Answer: Endorphins
Explanation: Endorphins are chemicals secreted by the brain also known as neurotransmitters that send electrical signals inside the nervous systems.
The factors that initiate the secretion of endorphins are stress and pain.
When endorphins are secreted they reduce feelings of pains, and in runners that cause a phenomenon called " Runners high" which allows runners to keep running without feeling pain or stress.
Answer:
the answer is shoulder circles
Me, I would most likely use a wheel barrow ... First it is less work on you and the crew and second no one will get hurt ... Put all the bags of concrete that will fit in the wheel barrow and the wheel them over to the other side of the site ... Have one person stack them while you go and get more !!! I hope this helps !!! Mark me brainleist