What is the difference between the function of the skin, kidneys, lungs and liver in the excretory process.?
Ouch… Tough question! Here’s my take: Capillary membranes around skin glands excrete salts, dissolved gases and water from the intravascular fluid volume to the air or water environment around the organism. The latent heat of vaporization of such fluids secreted to the skin surface causes the organism to lose heat which can be either a good or a bad thing. The loss of salt and dissolved gases affects the acid-base homeostasis within the organism too. Capillary membranes within the lung parenchyma excrete dissolved gases (mostly CO2) and water from the intravascular volume into tiny pockets called alveoli which ultimately communicate with the air around the organism. The latent heat of vaporization of such expired water droplets causes the organism to lose heat which can be either a good or a bad thing. The loss of dissolved gases affects the acid-base homeostasis within the organism too. Capillary membranes within the kidney glomeruli excrete salts, dissolved gases and water from the
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