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Learn how molecules move through membranes by passive diffusion, active transport and osmosis. BBC Bitesize Scotland SQA National 5 Biology revision.
- Agriculture. The food that we consume is the result of agriculture. We, humans, and animals depend on the agricultural products for sustaining ourselves.
- Food & Drinks. What keeps us alive is the food that we consume. Without food, the viability of life is not feasible. Our food items come from plants and animals.
- Health & Medicine. Whenever we get sick, we consult a doctor. The doctor gives us medicines, and we are all good to go. How has this been made possible?
- Clothing. Be it heat scorching summers or spine-chilling winters; it is the biology which keeps you safe. You wear breathable cotton clothes in summers which are obtained from plants.
Dissolving is the term used to describe when a substance close substance Matter made of a fixed ratio of atoms with characteristic properties. breaks up and mixes thoroughly...
- Crucial in Plant’S Survival
- Helps in Regulating Our Cell’S Life
- Ever Tried Soaking Resins Or Dry Fruits in Water. What Happened?
- Responsible For Your Pruned Or Wrinkled Fingers
- Osmosis May Kill Slugs Or Snails
- Reason Behind to Get Thirsty
- Helps You Get Relieved from Sore Throat
- Helps in Preserving Your Food
- Helps You Getting Pure Water
- Saves Eyes from Dry Contact Lenses
When we water plants, we usually water the stem end and soil in which they are growing. Hence, the roots of the plants absorb water and from the roots water travel to different parts of plants; be it leaves, fruits or flowers. Every root acts as a semipermeable barrier, which allows water molecules to transfer from high concentration (soil) to low ...
We drink water, but also our cells absorb it by osmosis in the same way that plant roots do. As the concentration of waste products in a cell rises, the osmotic pressure between the inside and outside of the cell wall, which is a semipermeable membrane, increases, and the cell absorbs water from the blood, which is a more dilute solution that of th...
well, when we soak resins in water they swell up and this is all that happens due to osmosis. Water travels from high concentration to low concentration and keeps moving by osmosis until the equilibrium is reached, that is when the concentration of both solutions is the same.
When we sit in the bathtub or submerge our fingers in water for a while they got wrinkly. And that is too because of osmosis. The skin of our fingers absorb water and get expanded or bloated; leading to the pruned or wrinkled fingers.
You must have heard about the killing of slugs or snails by putting salt on it. Well, It’s nothing but the process of osmosis which kills them. The liquid inside them comes out and try to dilute the salt concentration and maintain the mucus layer, and hence, they end up shedding water. Too much salt and slugs or snails will dry up and die!
We usually feel thirsty after eating salty food; because salt is a solute and after consuming lots of salt, our cells become concentrated with salt, which triggers the process of thirst. So, our cells absorb water and we feel thirsty, and hence, we start drinking water.
In case you have a sore throat, cells and tissues surrounding the throat are swollen because of the excess of water. The salt water which we use for gargles has a lower concentration of water than the cells of the throat. So, water molecules move from the swollen cells of the throat to the salt water; reducing pain and swelling.
The reason why we can enjoy pickles and jams for a longer period of time without any fear of their spoilage is osmosis. Pickles and Jams have been used over decades as quick spreads and ready to eat food for kids as well as adults. They both contain high proportions of salt and sugar, respectively that acts as a natural preservative for fruits and ...
RO’s are installed in almost every home in today’s scenario. Actually, this is not osmosis, strictly speaking, but, Reverse osmosis that is what RO stands for.Reverse Osmosis is the process of Osmosis in reverse. Whereas Osmosis occurs naturally, without the involvement of energy; however, to reverse the process of osmosis, you need to apply energy...
Soft contact lenses consist of semipermeable materials. If you wear contacts after storing them in sterile saline solution, the concentration of the saline in the contacts matches the salt content in the natural fluid that moistens your eyes; the contacts stay moist, soft and comfortable. If you store contacts in distilled water, the salt concentra...
Nov 6, 2020 · Density is the measurement of how tightly or loosely a given substance is packed into a given volume. Air, for example, is low density, much lower than human tissue, which is why we can pass through it. The same does not apply to granite. Don’t try to walk through granite. It’s bad for you.
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Mar 31, 2023 · Our science video for kids teaches you what matter is, as well as denistiy, solubility, conductivity and magnetism!
Nov 6, 2020 · If the substance moves for a different reason, such as pressure or force, that’s not diffusion. To get scientific with it, diffusion means a passive movement of molecules down a concentration gradient. Here are several real-world, practical examples of diffusion from everyday life. That’s what science is!
