The strength of endurance of a muscle depends on lots of things. One main thing that it depends on is a healthy diet. What you eat and drink has certain chemicals that are healthy for you that your body consumes to help strengthen your muscle and build stamina whereas if you put something bad in your body it will evidently weaken your muscles and stamina.
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The risk of infectious disease might be high in a community that has no water treatment facility because gems spread faster through water , most viruses also are usually spread faster on untreated water.
The motor unit is composed of both the skeletal and muscular systems.
