2. Which of the following functions of epithelial tissues aids in digestion? a. The secretion and release of mucus and specific chemical compounds
b. The regulation of body temperature
c. The regulation of the body's water loss
d. The cushioning of the body's internal organs

The answer would be age 18.

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.

Answercirculatory,blood moves oxygen;

Being unsanitary and unhealthy