Based on the diversity, it is possible to classify dogs into categories according to their weight and morphology. The breeds are divided into four sub-categories: small (-10 kg), medium (11-25 kg), large (26-45 kg) and giant (-45 kg) (Cavachon puppy). At the other end, the morphological classification has become a bit more complex, though only three subcategories.
The longilineal dogs have elongated and slender forms. Even the coat is similar, since both, with some exceptions, have a double layer of fur. As a marked difference, there is the fact that wolves count on brain and glands that produce hormones heavier since I live in environments that require quick responses to extreme events.
Chihuahua dogs are at the variety they will usually only about 15-23 inches at the withers and weigh about 1-6 kg. Pomeranian dogs are another small varieties but they have about 18-30 inches at the withers and weigh about 1-3 kg. In contrast, the Great Dane is over 90 inches at the withers and can weigh up to 80 kg. St. Bernharo dog can be up to 85-90 cm at the withers and weighed much more than the Great Dane or up to 135 kg.
Breeding of dogs has led to much diversity in size, appearance and their nature. Variations are numerous and over 800 are recognized by kennel clubs around the world. Many belong to no recognized cultivars. The definition of K9s variant is somewhat unclear. Some kennel clubs define a variant to be a descendant of dogs that are 75 percent the same.
This system is still supported by strong ligaments and tendons. The skull, which has the main function to protect the brain, consists of thirteen bones mend soon after birth and are linked directly to the spine, comprising seven cervical vertebrae, thoracic thirteen seven lumbar, sacral, and three variable number of vertebrae in the tail length. Already the ribcage is formed by ten pairs of ribs attached.
Furthermore, they analyze the source of sound received. Eighteen muscles can rotate and lift the dog's ear. Furthermore, dogs can hear sound four times greater distance than humans. Dogs with pricked ears usually hear better than dogs with drooping ears. They have 220 million smell sensitive cells on the surface area the size of a handkerchief (humans have 5 million cells in an area the size of a postage stamp).
Internally there are noticeable topographies, which are related to the workings and the divisions of internal organs. The thoracic topography is the respiratory system, composed of the nasal cavities, pharynx, forty trainers cartilaginous rings of trachea, bronchi, bronchioles and lungs, alveoli important for vascularization of lungs.
Chest canine is also the cardiovascular system, whose heart has four cavities, has the predominant form of a globe, is located over the left chest and has a size ranging from 120 g to 15 kg, e. This device is still composed of eight other parties. Already in different topography, abdominal, is the digestive tract, with 17 shares, ranging from mouth to tail.
The longilineal dogs have elongated and slender forms. Even the coat is similar, since both, with some exceptions, have a double layer of fur. As a marked difference, there is the fact that wolves count on brain and glands that produce hormones heavier since I live in environments that require quick responses to extreme events.
Chihuahua dogs are at the variety they will usually only about 15-23 inches at the withers and weigh about 1-6 kg. Pomeranian dogs are another small varieties but they have about 18-30 inches at the withers and weigh about 1-3 kg. In contrast, the Great Dane is over 90 inches at the withers and can weigh up to 80 kg. St. Bernharo dog can be up to 85-90 cm at the withers and weighed much more than the Great Dane or up to 135 kg.
Breeding of dogs has led to much diversity in size, appearance and their nature. Variations are numerous and over 800 are recognized by kennel clubs around the world. Many belong to no recognized cultivars. The definition of K9s variant is somewhat unclear. Some kennel clubs define a variant to be a descendant of dogs that are 75 percent the same.
This system is still supported by strong ligaments and tendons. The skull, which has the main function to protect the brain, consists of thirteen bones mend soon after birth and are linked directly to the spine, comprising seven cervical vertebrae, thoracic thirteen seven lumbar, sacral, and three variable number of vertebrae in the tail length. Already the ribcage is formed by ten pairs of ribs attached.
Furthermore, they analyze the source of sound received. Eighteen muscles can rotate and lift the dog's ear. Furthermore, dogs can hear sound four times greater distance than humans. Dogs with pricked ears usually hear better than dogs with drooping ears. They have 220 million smell sensitive cells on the surface area the size of a handkerchief (humans have 5 million cells in an area the size of a postage stamp).
Internally there are noticeable topographies, which are related to the workings and the divisions of internal organs. The thoracic topography is the respiratory system, composed of the nasal cavities, pharynx, forty trainers cartilaginous rings of trachea, bronchi, bronchioles and lungs, alveoli important for vascularization of lungs.
Chest canine is also the cardiovascular system, whose heart has four cavities, has the predominant form of a globe, is located over the left chest and has a size ranging from 120 g to 15 kg, e. This device is still composed of eight other parties. Already in different topography, abdominal, is the digestive tract, with 17 shares, ranging from mouth to tail.
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