According to the said principle, if the demands placed upon a muscle cause it to become stressed, then there exists a chance that the muscle will weaken. true false

That statement is false

According to said principle, the muscle would most likely become stronger when it become stressed. Said principle stated that your body would adapt in order to fulfill the demand of your activities. This is why people who do weight lifting in the gym would gradually able to lift heavier weight over time.

because health skills are tools and strategies and also practical skills are also something you need to learn (like tools and strategies) and put it in reality.