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www.answers.com/Q/How_does_an_elephant_use_its_huge_ears_to_keep_cool

Elephant ears have a very large surface area to volume ratio - with blood vessels spread out throughout.

wonderopolis.org/wonder/why-do-elephants-have-big-ears-2

Why do African elephants have bigger ears than Asian elephants? ... Elephants are huge, which means they produce a lot of body heat. ... An elephant's ears can cool its body by up to 5° Celcius (that's 9° Farenheit)! ... you may even see elephants rolling around in mud, taking a dip in a pond, or using their trunks like hoses ...

asknature.org/strategy/large-ears-aid-cooling

Apr 14, 2016 ... The large ears of elephants aid cooling by radiating heat from blood vessels, and flapping to ... “Elephants, too, have huge ears relative to body size, and they are also used for temperature regulation. ... To increase the effect, elephants spray their ears with water, and flap them to create cooling air currents.

animals.mom.me/elephants-ears-control-its-temperature-7483.html

Big animals have trouble keeping cool in hot climates. The bigger the body mass, the more heat it stores, and elephants are the biggest land mammals on the ...

www.africanelephants.com/facts/ask-the-researcher/what-do-african-elephants-use-their-big-ears-for

African elephants use their big ears for a variety of purposes. ... As the elephant waves its ears this blood is cooled down and helps keep the whole animal cool.

sciencefriday.com/articles/why-are-elephant-ears-so-big-and-other-pachyderm-questions

May 9, 2014 ... How do researchers keep bias towards human languages out of the study of elephant languages? ... One thing is that they can cool themselves down when they are hot. ... Elephants can also use their big ears to make threats.

www.ifaw.org/sites/default/files/education-publications/ca/cae_aaw11_extension_lesson_adaptations.pdf

Facts about their adaptation. African Savannah. Elephant. Asian Elephant. 5. Give each group ... You may want to let each group use sources such ... How do elephants keep cool? ... By flapping their huge ears, elephants can lower their blood.

www.bbc.co.uk/newsround/16701685

Jan 24, 2012 ... Amazing images using thermal cameras show how Asian elephants cool off by ... lots of heat through its huge ears and uses them to help it stay cool, ... why do Asian elephants use their trunks to help them lose body heat, but ...

elephant.elehost.com/About_Elephants/Anatomy/The_Ears/the_ears.html

The African elephant has ears that average at least three time the size of the ... the African elephant; Ears are used to regulate body temperature; Ears are used as a ... the ears are spread wide on each side of the head, which produces a huge ... to see an elephant will facing down find and extending its ears to allow the cool ...

sparc.fpv.umb.sk/kat/kf/Integrated_Science/TG/Life_science/Elephants.htm

Animals use various ways of cooling in hot weather. ... In hot weather elephants increase the blood supply to the ears and flap them around to lose body heat. ... in hot weather or to model astronauts' shiny suits and explore their rate of cooling .