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Eyru og heyrn

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QuestionAnswer
Aðeins ______ og _____ hafa heyrn (s.s. eyru) Skordýr og hryggdýr
Flest heyrandi dýr tjá sig með _____? Hljóðum
Hljóð er _______? Titringur eða bylgjuhreyfing
Eyra skordýrs nemur hljóðbylgjur úr ______? Lofti
Eyra hryggdýra nemur hljóðbylgjur úr ______? Vökva
Hvað í eyranu nemur hljóðbylgjur? Skynhár
Í hvaða 3 hluta skiptist eyra hryggdýrs? Úteyra (Blaðka Miðeyra (Hljóðhol) Inneyra (Völundarhús)
Hvaða kirtill er í hlustinni? Eyrnamergskirtill
Í hvaða fasa berst hljóð í eyranu? Loftasa, Föstumfasa og Vökvafasa
Hvað heita 3 litlu beinin í miðeyranu? Hamar, steðja og ístað
Afhverju eru bögagöngin mikilvæg? Jafnvægið
Hvað er hljóðfæri eyrans? Harpan
Afhverju myndast sónn í eyra eftir mikin hávaða? Því hárin á hárskynfrumum byrja að flækjast saman, leggjast nioður og mynda són
ÞEgar egglaga gluggi gengur inn, hvað gengur þá út? Kringlótti gluggi
Created by: karitas03
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