ANSWER:
The options for this question are not given and is therefore incomplete. However, below is a list of some benefits of having adequate amounts of sleep:
1. Lowers stress
2. Improves memory
3. Elevates mood
4. May help in weight loss
5. Reduces inflammation
6. Reduces risk of heart disease
7. Improves concentration
8. Improves creativity
9. Helps to maintain a good immune system
10. Improves the skin
Answer: A steam engine is an external combustion engine (ECE) in which the fuel is combusted outside of the engine, unlike an internal combustion engine (ICE) in which fuel is combusted inside the engine. ECEs have a lower thermal efficiency, but carbon monoxide production is more readily regulated.
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.
