Why do we grow hair so fast.

Aside from being good for raising, furrowing, and piercing, the hair there keeps the sweat out of your eyes. And the hair on your head shields your noggin from the direct force of the sun. It also leaves an area of air between your scalp and hair's hot surface, so sweat can evaporate and cool things down.

Broken bone result of heredity

20 times a minute is usually the average respritory rate of an adult. additionally the patient is breathing on his own, is clearly maintaining his airway, and is intaking a sufficient amount of air. you shouldn't use a bag valve mask, cpap, or other form of positive pressure ventilation, unless the patient has lost control of his airway, and is not breathing (apneic) or has rapid breathing or slow and shallow respirations. this patient would most likely and should be put on an non-rebreather mask or nrb attached to 100% high flow oxygen at 15 l/min. don't use a nasal cannula, as the amount of oxygen it provides is limited with a rate of 6 l/min.