Buffs

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Human buffs an hert

The buffs, whiles cried lichts, is an organ in mony vertebrates (ainimals haein a rig-bane). It gies bluid oxygen frae the air, an taks awa carbon dioxide. Maist vertebrates hae twa buffs.

In ainimals, the buffs is the area whaur respiration taks place. Athoot respiration in the buffs, ainimals wadna survive as the bouk cells wadna be able tae receive the oxygen needed.