Fatigue is temporary loss of strength and energy resulting from hard physical, MENTAL, or nervous exertion (stress). Hope this helps!
You seem to have answered the question within its-self, R is the answer i believe.<span />
For hot or cold you can make sure to replenish electrolytes. Make sure you are dressing appropriately in cold weather (dressing warm enough but not too warm because of overheating). If you are exercising in hot weather make sure to be hydrated when you start, drink water throughout, and pay attention to your body and if you are overheating make sure you stop and take a rest or slow down.
Answer:
According to psychologists, how do the three components of emotion work together to make up emotion? The three components are cognitive, behavioral, and physical aspects. They all work together to make the concept of emotion. Cognitive aspects include how someone perceives emotion.v
Answer:
The anterior and middle scalene muscles lift the first rib and bend the neck to the same side; the posterior scalene lifts the second rib and tilts the neck to the same side. The muscles are named from Ancient Greek σκαληνός (skalenos) 'uneven'.