Temp regulation in animal

A detailed Summary of Temp regulation in animal

Animals differ widely in their physiologies according to

numerous factors. Two of the most widely divergent

characteristics are how they regulate their own body

temperatures. We typically separate animals into "cold blooded"

animals and "warm blooded animals". Reptiles and fish are

representatives of the first category while mammals and birds

represent the second category. These broad categorizations have

nothing to do with the actual temperature of an animals blood,

however. As can be noted in Figure A

reptilian blood (graphed in green) can reach or exceed the

temperatures exhibited by some mammals (graphed in red). What

these categories describe are how an animal regulates its

temperature. While reptiles and fish are ectothermic, depending

on ambient conditions to control their internal temperatures,

mammals and birds control their temperatures through their own

internal regulation, they are endothermic.

Another interesting aspect of temperature regulation in

animals is the range of temperatures which can be found in any

one individual. While this range is narrow in birds and mammals

second is lamellar-zonal (Freeman, 1994). In the more

this bone difficult to assess in terms of its metabolic status

Haversian systems (Freeman, 1994). These observation are of

the secondary osteons are difficult to ascertain. This makes

since the source was an electronic version accessed off the

appearance and it is typified by the presence of extensive

are highly vascularized and metabolically active, with few

poikilothermic, having a body temperature which fluctuates

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Approximate Word count = 799
Approximate Pages = 3 (250 words per page double spaced)

Category: Science

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