2. Why do cats purr?

Have you ever heard a cat purr? That sound of pure contentment has always fascinated people since we all know that cats purr when excited and happy. But do we really know what purpose it serves?

Vocal cord vibrations

Scientists explain that a part of the feline brain unconsciously controls muscles in a cat’s voice box, making its vocal cords vibrate at a specific frequency. When a cat inhales or exhales as it breathes, air passes through the vibrating folds, making the purring sound.

But what is it for?