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小狗夏天为什么伸舌头,狗

小狗夏天为什么伸舌头

因为小狗的汗腺是长在舌头上的,所以小狗夏天的时候吧舌头伸出来是为了散热,保持恒定体温。因为狗不会出汗,也不会因为热而停止活动,狗的身体不能自调节温度,狗的汗腺全在舌头上,所以看到狗吐出舌头喘气说明狗很热,需要喝水降温或静下来停止活动。

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