狗的嗅觉细胞有多少个

狗的嗅觉细胞有2亿多个,人类的嗅觉细胞有500万个,狗嗅觉细胞数量是人类的40倍。狗的嗅粘膜可高达三十平方公分,加上狗狗嗅觉中枢十分发达,所以狗狗常被用作缉毒犬等工作犬来使用。

经过特殊训练的狗,可以分辨出犯罪分子携带的可卡因,甚至可以分辨出癌症的气味。主人要注意保护它的嗅觉,不要给其闻一些刺激性的东西。

狗的嗅觉细胞有多少个

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