13 interesting things about dogs | People's favorite pet

Dogs are one of the most loved pets by humans, dogs can take care of the house, play and are very loyal. In addition, dogs have super-powered noses that can smell diseases to dogs that can use the subway to get around. Here are some interesting facts about dogs that you may not have known.
1. If you feed your dog chocolate it will kill the dog. Because chocolate has the ability to affect the heart and nervous system of dogs. Less than 100g of chocolate can kill a small dog.
2. If humans think hugging is a sign of love, dogs think hugging is a sign of dominance. That is, dogs do not like to be cuddled.
3. When your mood changes to sadness or anxiety, the dog will understand this and change the behavior. They will be less active, not running, playing like usual, even skipping meals. They will follow and come to you lying at your feet or resting their heads on your feet.
4. Dogs can sense illness. If the dog keeps focusing on a certain part of your body, it is very likely that you need to go for a health check. Because according to research dogs can detect cancer through the sense of smell.
5. While humans have about 5 million olfactory cells, the Alsatian breed (a German Shepherd breed) is said to have around 220 million cells. Basically, they can smell almost anything..
6. Dogs' hearing is very good, they can recognize sounds in only 6/100 seconds, which is equivalent to they can hear 35,000 vibrations in just one second.
7. The Beatles' song "A Day in the Life" has a very loud whistle in the music that only dogs can hear. The whistle was inserted into the music by Paul McCartney as a tribute and for his pet dog Shetland to enjoy.
8. The average dog is as smart as a 2-year-old child. They can understand up to 250 gestures and words. Besides, they can count to 5 and do some basic basic math.
9. The first animal to be domesticated by humans was the dog. And they were domesticated in the Stone Age, about 12,000 years ago.
10. Dogs often use their tails to cover their noses in the winter because this is a way to help them keep warm.
11. Dogs actually don't sweat with their tongues as many people think. Dog sweat comes out of the soles of the feet.
12. Some stray dogs in Moscow have learned to use the city's subway system to travel to crowded areas in search of leftovers.
13. The marks on a dog's nose are unique, just like human fingerprints, no two dogs have the same nose prints.
Here are some interesting facts about dogs that not everyone knows. Hope these sharing will help you understand dogs better. Thank you for watching the video.