הנשמה-הקדמה

carina junction

name of the junction where the trachea breaks off into the 2 bronchi

heating and humidifying the air

what is the main role of the upper respiratory tract

tidal volume

volume of air that enters during inspiration and exits in expiration in a regular breath

500 ml

tidal volume

residual volume

the volume of air that remains in the lungs even after a strenuous breath

1.2L

residual volume

inspiration and expiration of air, gas exchange, metabolism

3 phases of respiration

gas exchange

phase of respiration where gases move from the lungs to the blood

metabolism

phase of respiration where gases move from the blood to the cells

negative pressure

inspiration and expiration are performed with what type of pressure

positive pressure

what type of pressure is applied during mechanical ventilation?

when the alveolar pressure is equal to the atmospheric pressure

when does the phase of expiration begin?