EEB267H1 Lecture 14: Osmoregulation: Balancing Water and Salts Between the Inside (Organisms) and Outside (Environment): Lectures 14 and 15
29 May 2017
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Too much would make our nerves and muscles stop functioning. Eeb267 page 3 these glands take the salt out of the blood. Pressure of water, as a gas, in our environment is lower than in our bodies. The australian water-holding frog has incredibly dilute urine. Spadefoot toad will stay in its bury for 9 months. For the first 4-5 months there is is enough moisture in the sand that they can absorb through their skin. The desert toad aestivates surrounded in shed skin and mucous reduce your surface area exposed to air. Kidney cleans the blood and takes water back into the blood, concentrating the uric acid solution => white pasty poop. Desert reptiles that do not have salt glands can tolerate extraordinarily high levels of salt in blood. Drink a lot when the rains come to flush the salt and replenish water. Eeb267 page 9 water runs down legs into corners of mouth.
