Предмет: Биология, автор: zvez951

Значение дыхательной системы у птиц

Ответы

Автор ответа: flexer000

1

Ответ:

участвует в дыхании при полёте,обеспечивают охлаждение организма в полёте; уменьшают плотность (и вес) тела

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