Such a salute seems in keeping with the spirit of Sedona, where sensitive New Age types are energized by vortexes, the presence of ancient people is tangible and even a routine sunset takes on a mystical, awe-inspiring air.
12.
The lung alveoli collapse before air is expelled from them, The alveolar pressure rises to about + 1 cm H2O . This forces the 500 ml of inspired air out of the lung during 2 3 seconds of expiration.
13.
Thus the cycle ensures that one side of the nose is always moist, to facilitate humidification, which is one of the three functions of the nose, the other two being filtration and warming of inspired air prior to its entering the lungs.
