Roosevelt Standard | 1936-01-09 | Page 3 | Ears of Elephants Serve as Aid in Cooling Body

ears ears 0 of W E elephants lephar s serve cl e as aid m in cooling body one iode of 0 the most interesting devices Is the elephants ear says an authority in the new york herald tribune that great flapping area of 0 tissue on either side aide of the elephants head Is associated with the elephants organ of hearing and he probably I 1 uses it to advantage la in intensifying bound but its ts most important function Is to cool the animals blood the elephant possesses great bulk of body and its surface area a round pound of weight I 1 Is 9 very small email compared to that of smaller animals therefore it has very limited facilities for tooling cooling itself through radiation of heat from its body surfaces its ears however have a very large surface for their weight the oars ears are constructed with a very generous ot of blood ves vessels gels it if the animal becomes too warm it activates its ears ty by fanning ning them vigorously this brang the blood coursing through the ea eari blood vessels very tery cl close ose to the bur i 1 face where it gives oft off its excess heat beat birds compared with tho the eye have an enormous body area a pound of weight their normal temperature Is much higher and they have great need of their feathered coatings tor heat insulation to protect their bodies against the outside lower temperatures the normal temperature of birds bodies would be a dangerous fever heat beat for men inen the humming bumming bird is ang iino Bg the warmest of creatures its ILs n normal r al temperature la 15 about US aa 10 degres degrees