Your muscles are big parts of your musculoskeletal system.
If you loose muscles strength, it would be harder to move.
Also, if you haven't forgoten, your heart is a muscle.
If the musculoskeletal system breaks down and muscles go to waste,
you will eventually die because of the lack of potassium your heart needs.
Some drugs that should help with heart problems either,
Take away potassium to your body or give you too much potassium.
To make your muscular system healthy, you must get the right
amount of excersize in each day. You should get about 3h.
You also should eat a healthy diet in order to keep your muscles strong