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February 19 Zoology

Terms in this set (16)

what are the two kinds of arthropod excretion
-antennal (green) glands
-malpighian tubules
who uses antennal (green) glands
-crustaceans
how does malpighian tubules work? and who uses this structure?
-insects, spiders
-the function of the malpighian that extracts waste from hemolymph
what is hemolympth
very similar to blood, but not "true" blood
vertebrate excretion
-we use nephrons
how many nephrons in total does one human being have
- 1 million nephrons
what is the name of a specialist in kidney function?
-nephrologist
what organ has the most control over blood pressure?
the kidney
what is the glomerulus?
-structure in which filtration happens
-a mass of capillaries creates a pressure high enough to force fluid (filtrate) into the Bowman's capsule, then into proximal tubules
what two problems does the urinary system help solve?
-osmoregulation
-nitrogenous waste
what is normal environmental temperature range in which almost all animals live in?
0- 40 degrees Celsius
32-101 degrees Fahrenheit
what is the hottest place in the world?
-queensland australia
??? degrees
the coldest place on earth?
antarctica
- 100 degrees F below zeron
what is poikilothermy?
wide variable body temperature (cold blooded)
what is homeothermy?
-relatively constant body temperature, variation in temperature can be bad for homeotherms
facilitative homeotherms
- have a fairly constant body temperature because of the organisms large mass, they lose heat very very slowly
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