What is not a mechanism for prevention and elimination of pathogens of the body. Yawning when sleepy. Sneezing when dust/soot Lacrimation in dust when Blink when the wind blows through
Which one is not a defense mechanism and elimination of pathogens of the body.Yawn when sleepy.Sneeze when dustTears when the dust in my eye.Blink when the wind blows through.