What is the main difference between cardio and strength-training activities?

cardio activities increase your physical strength, while strength-training activities work your heart and lungs.

cardio activities work your heart and lungs, while strength-training activities strengthen your muscles.

cardio activities require short bursts of energy, while strength-training activities strengthen your body over long durations.

cardio activities improve your joints' range of motion, while strength-training activities work your heart and lungs.

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.