gaseous exchange Flashcards
what is diffusion?
the movement of gages from a high to a low concentration.
what is the concentration of carbon dioxide in the blood?
high levels
what is the concentration of oxygen in the blood?
low levels.
what is the concentration level of carbon dioxide in the alveoli?
low levels
what is the concentration level of oxygen in the alveoli?
high levels.
what is the oxygen diffusion process?
oxygen diffuses from a high concentration in the alveoli to a low concentration in the blood.
what is the carbon dioxide diffusion process?
carbon dioxide diffuses from high concentration in blood to a low concentration in the alveoli.
what helps the diffusion process in the alveoli?
thin walls that are one cells thick and moist