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Why is it important for there to be a large concentration gradient of oxygen between inside of the alveoli and the blood?
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What conditions does gas exchange occur?
When the partial pressure between the alveoli and the blood, or between the blood and the tissues, is different - i.e. when a concentration gradient exists.
What is the Diffusion of gases between alveoli and blood?
The Diffusion is the exchange of oxygen (O2) and carbon dioxide (CO2) between the alveoli and the blood. So blood that is pumping through the capillaries in the lungs has a low concentration of O2 and a high concentration of CO2, in the alveoli it is high concentration O2 low concentration CO2. Therefore the 2 gases exchange across the alveoli membrane by diffusion trying to establish a concentration gradient.
What kind of concentration forms whenever there is a difference in concentration between one place and another?
noThe correct answer if you are dealing with cells is concentration gradient
What is the difference between the concentration of a particular molecule in one area and the concentration in an adjacent area?
Concentration Gradient
What forms a concentration whenever there is a difference in concentration between one place and another?
A concentration gradient forms when there is a difference in concentration between one place and another.
What isThe difference in concentration between a region of high concentration and one of lower concentration?
Regarded as existing through Space, or Time, or from one end of an aqueous Solution to the 'other'; these differences are seen to occur across a GRADIENT. In other related circumstances we are talking about a Spectrum.
What is formed when there is difference in concentration between one place and another?
gradient
What is concerntration gradient?
As used in the process of diffusion, the concentration gradient is the graduated difference in concentration of a solute within a solution (as expressed per a unit distance). Molecules tend to move from areas of greater concentration to areas of lesser concentration. i.e. down the gradient.
What is a similarity between osmosis and diffusion?
they are both the movement of particles from a region of high concentration to a region of low concentration down a concentration gradient
How does the Concentration gradient of a substance affect the movement of that substance and the expenditure of energy?
The larger the concentration gradient (bigger difference between the two solutes across semipermeable membrane) the faster the rate of diffusion.
How does stuff knows when to start diffusing?
The process of diffusion occurs when there is a concentration gradient, meaning a difference in the concentration of substances between two areas. The molecules will naturally move from an area of high concentration to an area of low concentration until equilibrium is reached. Therefore, "stuff" starts diffusing when there is a concentration gradient present.
How does water leave a cell when in salt water?
Water moves according to an concentration gradient. Water potential gradient between two places
