Questions tagged [osmosis]

The process by which a solvent, especially water, tends to flow towards areas of higher solute concentration.

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1answer
599 views

Why do we have wrinkly fingers after swimming?

I found an explanation for my question here http://www.pitara.com/science-for-kids/5ws-and-h/why-do-we-have-wrinkly-fingers-after-swimming/, which suggests that water washes out sebum (special oil, ...
3
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1answer
139 views

Osmotic Pressure Clarification

My textbook states that the higher concentration of solutes, the greater the osmotic pressure will be and the greater the pull of water in will be. However, osmotic pressure is defined "as the ...
2
votes
1answer
3k views

When does DIFFUSION occur and not OSMOSIS, and the otherwise?

For example, I do know that red blood cells have both the Na+/Cl- co-transporter and Aquaporin (water channel) that allows both Na/Cl and water molecules to pass through. But why in biology textbooks ...
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1answer
983 views

Why is the swelling of bread when placed in water not considered to be caused by osmosis? [closed]

Why is bread swelling up when placed in water not considered to be caused by osmosis? Is there a property of water that should make it leave the bread instead of enter?