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What is the difference between filtration and reabsorption in the excretory system?
The urinary system is the excretory system of the body. Filtration is the process where everything small enough to pass through the filter is removed from the blood stream. Reabsorption happens when some of those removed particles are taken back into the body.
What are high-density lipoproteins made of?
High-density lipoproteins are made of lipoprotein particles, several proteins, some cholesterol, phospholipids, and a few triacylgylcerol.
Why has a liquid got a medium density?
A liquid has a medium density because its particles are more closely packed together compared to a gas, but less closely packed compared to a solid. The spacing between the particles allows for the liquid to flow and take the shape of its container while still retaining a certain level of density.
What is a mixture in which some of the particles will settle out?
Mixtures in which some of the particles settle out are called suspensions. An example of a mixture is dirt mixed with a large amount of water. On the other hand, mixtures in which the particles do not settle out are called colloids.
What would happen to pressure of you removed some of the gas particles from the balloon?
If temperature and volume is fixed,pressure reduces.
What are some small particles of stone or sand that can get into your eyes?
Some examples of small particles that can get into your eyes are sand, dust, dirt, grit, and debris. These particles can cause irritation, redness, and discomfort in the eyes if not promptly removed. It is important to flush the eyes with clean water or saline solution if you have particles in your eyes.
What kind of chemical to clear oil contaminants?
That will vary depending on the type of contaminate. Some contaminates cannot be removed with chemicals (e.g. metal particles - these need to be removed with a filter).
What happens to particles of medium as wave propagated?
The particles of the medium will gain some energy. The exact effect will depend on the nature of the wave as well as that of the medium.
What particles of a solid cant dissolve in water?
Insoluble particles. Some solids are soluble in water and able to be dissolved Some solids are insoluble If a solid is a mixture of both, then some (the soluble part) will dissolve in water; some (the insoluble part) will not and depending on size of the particle will be left in suspension (very small or low density) or sitting at the bottom of the container (large or high density)
Why are some objects more dense than other objects?
Some objects are more dense than others due either to the mass of the particles in the material, the atomic number or how closely the particles are packed together. For example, lead, has a high density because its particles have a very high mass. But a material like polystyrene, doesn't have a high density as the particles are spaced far apart and they have a low mass value.
What would happen to pressure if you removed some of the gas particles from the balloon?
If temperature and volume is fixed,pressure reduces.
What happens to the properties of salt when its mixed with water?
Salt dissolves in water. If there is too much salt than the water can hold some may be left at the bottom of the container. The salt particles dissolve into the particles of water and float about within the liquid, disappearing from sight. The salt can be removed by evaporating the water.
