Respiratory system xoxo Flashcards
what is the funtion of the respiratory system?
Deliver oxygen from the atmosphere to the lungs, provide a method of gaseous exchange within the lungs, oxygen enter the blood, and carbod diovide evits
Whats is diffusion?
Diffusion is the movement of molecules from a region of higher concentration to a region of lower concentration down the concentration gradient
where does diffusion occur
Diffusion occurs in liquids, gases, and solids. It’s a natural process that happens when particles move from areas of high concentration to areas of low concentration.
Explain the concept of a concentration gradient?
A concentration gradient exists when there is a region of high concentration leading to a region of low concentration: going from high to low concentration is going down the concentration gradient. going from low to high concentration is going against the concentration gradient.