えら
era

Noun

1. gills; branchia

Usually Written in Kana
ちなみに、魚さかなのえらがであるのは、肺はいおなじように「毛細もうさい血管けっかん」がおうあつまっているからである。
chinamini sakanano eraga makkadearu nowa haito onaji yōni"mōsaikekkan"ga ōkuatsumatte irukaradearu.
Incidentally, that the gills of fish are bright red is because there are many 'capillary vessels' collected there, the same as for lungs.
Noun

2. angle of the mandible; gonial angle

Usually Written in Kana
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