We get tired after exercise because our muscle fibers get tired very quickly. This is due to the major source of energy for the muscle tissue, called adenosine triphosphate, or ATP. As the muscles make use of this supply of energy, they get tired and fatigue.
The correct answer is B. controlling the flow of blood to the skin
The more blood there is, the more heat there will be because of blood. An easy example is when someone's ears get all red due to a blood rush to the ears. At that time, ears are also very warm.
Answer:
1. it would not be as hard because i am doing online and i dont do zoom
2. maybe not because i gonna want to spend time with my child and if i do maybe 2 hours
3. yeah when my child is sleep