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In biology, the tonicity of a solution usually refers to its solute concentration relative to that of another solution on the opposite side of a cell membrane; a solution outside of a cell is called hypertonic if it has a greater concentration of solutes than the cytosol inside the cell. When a cell is immersed in a hypertonic solution, osmotic ...
Osmoregulation is the active regulation of the osmotic pressure of an organism's body fluids, detected by osmoreceptors, to maintain the homeostasis of the organism's water content; that is, it maintains the fluid balance and the concentration of electrolytes (salts in solution which in this case is represented by body fluid) to keep the body fluids from becoming too diluted or concentrated.
The cessation of urine flow prevents the hypovolemia and hypertonicity from getting worse; the drinking of water corrects the defect. Hypo-osmolality results in very low plasma ADH levels. This results in the inhibition of water reabsorption from the kidney tubules, causing high volumes of very dilute urine to be excreted, thus getting rid of ...
The discrepamcy is made up by very high plasma levels of urea in sharks' blood. I do not know how the boney fish cope with their hyperosmolar surroundings, other than what is suggested in this article, i.e. that they "drink" large amounts of sea water to make up for the losses through their gills, and then excrete the salt. Jkoeslag 28 December ...
When in a hypotonic solution, water flows into the membrane and increases the cell's volume, while in an isotonic solution, water flows in and out of the cell at an equal rate. [4] Turgidity is the point at which the cell's membrane pushes against the cell wall, which is when turgor pressure is high. When the cell has low turgor pressure, it is ...
Carbonated water is a diluent mixed with alcoholic beverages where it is used to top-off the drink and provides a degree of 'fizz'. Adding soda water to "short" drinks such as spirits dilutes them and makes them "long" (not to be confused with long drinks such as those made with vermouth).
The mixed drink BORG, or “blackout rage gallon,” has gained popularity with Gen Z college students. An expert explains why partying with this beverage is risky. What is BORG drinking, and why ...
Literati is an Austin-based children's book club and subscription service. [1] It launched at the end of 2016. [2] For a recurring membership fee, Literati sends a box of five books to subscribers every month. [3] Boxes are organized by age for children from newborn to age 12. [4]