The amount of water a body requires for survival is dependent upon the climate and the individual’s level of physical activity.

The regular recommendation of many health professionals are to drink 8-10 glasses of water daily however, this is dependent on the activity the person is engaging in and the climate the person is engrossed to. For example, when an athlete has ran possibly n kms. it might be a necessity for a person to drink water since the body processed much faster than normal. 

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.