OSMOREGULATION AND TOXIC WASTE EXCRETION

OSMOREGULATION AND THE EXCRETION OF TOXIC WASTES
Osmoregulation
Osmolarity refers to the concentration of solutes in a liquid, such as blood or cellular fluids. Osmoregulation is the process by which an organism maintains fluid balance and the concentration of solutes within its cells and body fluids. This process is crucial to ensuring that cells do not swell or shrink due to changes in solute concentrations.
Mechanisms of Osmoregulation
Plants: Plants regulate osmolarity by absorbing water and nutrients from the soil, and by closing and opening stomata to control water loss.
Aquatic Animals: Marine animals, such as fish, have specialized mechanisms to regulate salt balance, such as excreting salt through their gills.
Land Animals: Land animals, like mammals, use their kidneys to filter their blood and maintain water and electrolyte balance. Antidiuretic hormone (ADH) plays a key role in regulating the amount of water reabsorbed in the kidneys.
Elimination of Toxic Wastes
Toxic waste elimination is the process by which organisms remove harmful substances produced by metabolism. These wastes can include ammonia, urea, uric acid, and other toxic substances.
Elimination Mechanisms
Aquatic Animals: Many aquatic organisms, such as fish, eliminate ammonia directly into the water, where it is quickly diluted.
Mammals: Humans and other mammals convert ammonia into urea, which is then excreted in urine. The kidneys filter the blood and allow toxic substances to be eliminated.
Birds and reptiles: These animals tend to produce uric acid, a less toxic and less water-soluble form of waste, which can be expelled with less water loss.
Interaction between osmoregulation and waste elimination
The processes of osmoregulation and toxic waste elimination are closely intertwined. The regulation of water balance affects an organism's ability to effectively expel toxic waste. For example, an organism that loses too much water may have difficulty diluting and eliminating toxic waste efficiently.
In summary, Osmoregulation and toxic waste elimination are essential processes that allow organisms to maintain homeostasis and survive in variable environments.
VISIT MY SOCIAL MEDIA
prof. Antonio Loiacono
you can find the full video at this link:
• CORSO DI BIOLOGIA - Le...

[@cristinacapuzzo4881]

Grazie !

[@cloe8292]

Non è stato mai detto cosa realmente stava accadendo su base sperimentale. L'osmosi è regolata dalla ghiandola pituitaria che produce melatonina ormone del buio che concilia il sonno e la rigenerazione cerebrale. Vi è mai capitato di buon mattino dopo un sonno ristoratore ricordare cose che a fine giornata del giorno prima non ricordavate? Ecco come la melatonina svolge un ruolo cruciale sulla memoria e tutte le funzioni biochimiche.

[@andreadistefano4012]

Il prossimo corso che sarà?

[@AntonioLoiacono]

supernove...ci sto lavorando ..

[@cloe8292]

Una pratica che deve essere controllata se attivata altrimenti si rischiano danni di cariche elettriche legate alla radioattività