Homonym: Exertion (Effort)
Exertion refers to the physical or mental effort put into an activity. It can involve various forms of activity, such as exercise, sports, or even studying. The level of exertion can vary from light tasks, like walking, to intense activities, such as running a marathon.
During exertion, the body uses energy, which can lead to fatigue if sustained for long periods. The heart rate increases, and breathing becomes more rapid to supply oxygen to the muscles. Understanding exertion is important for maintaining a healthy balance between activity and rest, promoting overall well-being.