Why Do Snakes Hiss? 

Snakes have an organ called the glottis that connects the mouth to the throat.

Snakes have an organ called the glottis that connects the mouth to the throat. The glottis has a small piece of cartilage that vibrates when a snake exhales forcefully, creating snakes’ characteristic hiss. When a snake breathes normally, the glottis opens and closes to control the flow of air. Th
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