He Pet: The Purring of Cats
After raising a cat, I found out that 80% of the meowing sounds in the house are made by the excrement officers. Compared with the meowing sound, we actually hear the cat's "purr purr" sound more . Studies have found that cats make purring sounds because after they receive the signal from the neural oscillator, the glottis will open and close quickly, causing a change in air pressure in the valve. When this air pressure change is related to breathing, the airway When the pressure waves of the air resonate in the air, it translates into the purring sound we hear.
And what situation will cause the cat's nerve shock?
When the cat is excited and satisfied
When cats pray for communication, such as when they are hungry, thirsty, or want to talk to you
Cats are sick. For example, cats give birth. They will feel the torture and pain of various diseases. The purring sound at this time is to express their emotions. In addition, the most important thing is that this sound of cats can help them regulate stress. Has a healing effect.
The unique sound of cats is produced by the vibration of false vocal cords. It does not mean that they are actually purring. It is more of an expression of emotion. This comes from infancy. Kittens are actually blind and deaf. Purrs communicate with mother and littermates. Cats have muscles that move their vocal cords, and as they breathe in and out, air hits the vibrating muscles, creating the purr. At the same time, the mother cat will use this sound to tell the position of the kitten that has not yet opened its eyes, and the kitten will also respond to the mother cat through this sound when drinking milk, indicating that the cat is very comfortable.
Kittens also retain this instinct when they grow up, purring when they want to be close to humans or enjoy being stroked by poop shovelers. Cats purr at a frequency between 20-140 Hz, and it has been found that this low-frequency sound has therapeutic effects on many diseases. 1. Reduce stress Petting a purring cat can calm people's nervous nerves. 2. The purring of cats can relieve the symptoms of dyspnea in cats and humans. 3. Lower blood pressure Play and interact with cats, and hear cat purrs can lower blood pressure. 4. Therapeutic effect on bones In terms of promoting bone strength, the sound with audio frequency between 25-50 Hz has the best curative effect, followed by the sound with audio frequency of 100-200 Hz. 5. A recent study found that cat owners had a 40 percent lower risk of having a heart attack. 6. Purring can help treat infections and swelling. 7. Therapeutic effects of muscle, tendon and ligament injuries Grunts are also beneficial for the treatment of soft tissues.
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