1 thought on “What kind of dogs are dogs”

  1. Dogs are spine doors, vertebrates, lactal gates, mammals, real beast subclase, carnivorous eyes, cracks, and dogs. Chinese is also known as dogs, and dogs are distributed around the world. Dogs and horses, cattle, sheep, pigs, and chickens are called six animals. Dogs are called the most loyal friends of human beings. They are pets with the highest breeding rate, and their life span is about 12-18 years.

    The auditory stress can reach 12,000 Hertz, which is 16 times that of humans. It can hear the longest distance of about 400 times that of human. Dogs’ discerning ability of the sound direction is also twice the humans, and can distinguish 32 directions. It can distinguish the number of vibrations per minute of the auctioner of 96 or 100 times, 133 or 144 times. Dogs’ passwords and simple languages ​​can establish conditional reflection according to the changes in tune syllables.

    The dogs can hear 40,000 weeks. The sound collected through the large ear can vibrate the tympanic membrane through the outer ear canal, and even the small bones of the ear in the middle ear to the lymph fluid of the inner ear, and then transmitted from the hearing nerve to the brain. Dogs can distinguish extremely small or high -frequency sounds (ultrasonic). The ability to judge the sound source is also very strong. When the dog hears the sound, because the relationship between the ears and the eyes can completely observe the six roads and listen to the ears.

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