How does irrational assumptions cause stress in people ?

Irrational assumptions can cause people to display excessive behavior. For example, if somebody assumes that all germs kill u, then this prevents a person from ever living peacefully. People can obsesses over their assumptions and be in a constant state of worry

Air goes past the epiglottis and into the trachea when you breathe in. from there, it goes to your vocal cords in the larynx until it reaches the bronchi. from the bronchi, air passes into each lung.