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Why diffusion rates of liquids are much less than diffusion rates of gasses?
Liquids diffuse at a slower rate than do gases because they have much less kinetic energy.
Diffusion allows materials to?
actually diffusion allows materials to move in and out of the cell
Which part of a compound light microscope should a student adjust to allow more light to pass through a specimen?
the diaphragm
What is the importance of diffusion in animals?
yes, because in animals diffusion helps the movement of oxygen and carbon dioxide from the air, lungs, blood, also when food has been broken down in the gut. plant relay on diffusion to allow carbon dioxide to move in quickly and easily and to allow oxygen to move out quickly.
What are the roles of an egg shell and membrane and how do particles pass through?
They're both there for protection. Gasses pass through the shell because it has microscopic holes - too small to pass even water. Gasses pass through the membrane by diffusion (after they devolve).
Does diffusion happen best in liquids?
The rate of diffusion is fastest is gasses, but as we can't see the gases ,it can be seen it liquids, but in liquids the rate of diffusion is comparatively slower than gasses and it can be easily observed....
What are the movement of particles within solids liquids and gasses?
diffusion.
What is the function of caplillaries?
Diffusion of gasses & dissolved substances into and out of the blood.
What are 2 gasses that move in and out of body by diffusion?
oxygen and carbon dioxide
How thin walls help the alveoli?
It allows for rapid diffusion of gasses.
Why are the membraines in the alveoli thin?
membranes must be thin for efficient diffusion of gasses.
Why does diffusion happen in capillaries?
Capillaries must allow diffusion too allow for exchange of oxygen. Without oxygen, the eventual consequence would be death.
How do unicellular organisms breathe?
they don't need to, because they get enough oxygen by diffusion.
How are red blood cells specialized to exchange gasses?
Gaseous excange takes place in the alveoli of the Lungs during respiration
What does the close arrangement of alveoli and capillaries allows for?
This exchange allows easy diffusion of gasses back and forth.
Diffusion allow materials allows material?
actually diffusion allows materials to move in and out of the cell
Why diffusion rates of liquids are much less than diffusion rates of gasses?
Liquids diffuse at a slower rate than do gases because they have much less kinetic energy.
