BIOL 111 Lecture Notes - Osmosis, Kidney Failure, Caffeine

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BIOL 111 Full Course Notes
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BIOL 111 Full Course Notes
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Many reptiles are endangered due to human activities: Intermediary with ventricle that"s somewhat separated and 2 atria. Some reptiles can shunt blood directly to aorta underwater. More efficient heart, breathe only through lungs. Most conserve water w/ water proof skin and scales made of keratin. Shedding of skin happens in some reptile controlled by hormones. Reproduce on land = internal fertilization and amniotic egg. = egg surrounded by extra embryonic membranes: perhaps with external shall. Allanntois: place for storage of waste and gas exchange. Chorion for gas exchange and water conservation. Sperm cannot penetrate egg shell, shell and albumen are added to the fertilized egg after fertilization. Must have non toxic nitrogenous wastes = uric acid. Control volume concentration and composition of extra-cellular fluids and excrete wastes. Osmoconformers = organisms whose extracellular fluid is equilibrated with the environment. Limits to the ability of the organism to osmoconform: too salty denatures proteins.

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