Answer:
<h3>Cardiorespiratory fitness (CRF) refers to the ability of the circulatory and respiratory systems to supply oxygen to skeletal muscles during sustained physical activity. ... Cardiorespiratory fitness helps improve lung and heart condition, and increases feelings of wellbeing.</h3>
It can protect againts pathogens in the urine while holding high amounts of urine.
I currently have braces and at first they are going to cause a slight pain to your teeth, make sure you brush them even more then usual and more thoroughly, brush your teeth after each meal if possible.
