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Tubes inside the lung allow oxygen to be distributed throughout the lungs. The lungs are located on either side of the cat and just above the diaphragm. The diaphragm controls the cat’s breathing rate.

The windpipe can be considered as the ventilation system of the lungs in a sense. The dirty air to be expelled and the fresh air to be taken are carried through the windpipe under the control of the diaphragm. The organs that make up the respiratory system are also the targets of many cat diseases.

Cat whisker O or vibrissae) is two or three times thicker than cat hair. In the nose area, the whiskers that grow from the sides of the upper lip are also buried three times deeper than cat hair. Its roots are in contact with the nervous system. A movement perceived by the mustaches is immediately transmitted from the roots to the nerves and from there to the brain, informing and warning about the position to be taken.

Cats use their tongues with incredible speed when drinking. The tongue dives and comes out quickly. In a sense, it’s like elephants drinking water. The mouth is not touched with water, the water is carried to the mouth through the tongue (trunk in elephants). Cats tongue is like sandpaper. There are dozens of small chambers on it and these chambers turn into water bubbles during drinking. The chambers above the tongue immersed in water are filled with water and the tongue is bent towards the mouth to avoid spillage in transport. The tongue also functions the same in eating porridge.

A cat’s heart beats 100 to 200 times a minute. Heart valves open and close rapidly. Meanwhile, equal amounts of blood are drawn into the heart and pumped from the heart to the veins; The carbon dioxide in the blood is cleaned and oxygen is given to the blood. In this sense, the heart works in cooperation with the respiratory system. The heart consists of two parts, the left, and the right, and both parts work at the same speed.

When cats are born, they are born with 26 teeth and when they are adult, the number of teeth is completed to 30. Teeth are renewed within 6 months after birth. Cats have 2 cat teeth, 6 pre-teeth, 6 premolars, and 2 molars (16 teeth on the palate). In the jaw, there are 2 small feline teeth, 6 small pre-teeth, 4 small pre-molars, and 2 small molars (14 teeth in the jaw). The front teeth are used to grip food and canines to both food and defense. Cat teeth are the most sensitive of any cat’s teeth.

The cat brain weighs between 20 and 30 grams. But compared to other mammals, it is the mammal whose brain is the largest for its body. Although there is a link between the size of the brain and intelligence, for example, birds that can dive in water have a larger brain than other birds because of the complexity of their actions. It is not always correct to establish a one-to-one relationship between the size of the brain and intelligence. Cats, for example, are more intelligent than lions, which are much larger than themselves. On the other hand, the brain structure of creatures in the feline family is incredibly similar.

Cats have perfect ears. You know, the kind that composers call “music has an ear”; They can separate and evaluate what they heard one by one. Hearing is important for cats both for their safety (detecting the moment of escape from danger) and their hunting (locating the animal that will feed). Cats hear better than humans or dogs. While people hear sounds up to 20 Hz, dogs hear sounds up to 40 Hz. But for cats, this limit is 60 Hz. This is the hearing of an insect walking from meters away or the breath of a hiding mouse.

Paws are the foundation of movement and balance for cats. It needs paws to climb, dig, defend, fight and spray (discharge of sexual fluid). A cat’s paw is attached to the last one of its foot. Claws are flexible and rotatable. Thus, they can easily catch the best scratching angle. The claws are surrounded by a skin full of protein and keratin.

“Cat’s Eye” is admired enough to be used in idioms and under various denominations. Cats are distinguished by their eyes and eyesight. A cat’s eye opens seven to ten days after birth. It takes its true color in two months.

General Anatomy

Usually, the skeletal system of cats is identical except for Manx and Japanese Bobtail. The skeletal system, which consists of 230 bones, is quite different from that of the human, and the inter-skeletal formations are such that the body can stretch. The neck area is particularly different from humans. Cats do not have stability in the neck of humans. In this way, they can easily turn their necks at a wide-angle, while climbing and attacking, they easily bring their shoulders back and give an aerodynamic effect to their bodies.


Based on average values, adult male cats weigh between 3.5 and 7 kilograms, while female cats weigh between 2.5 and 4.5 kilograms. Their width is approximately 30 centimeters and their length is around 80 centimeters.

They can be divided into three categories in terms of their physiognomy,
• Chunks

Example: Persian, British Shorthaired Roundhead, short legs, broad shoulder

Example: Devon Rex, Comish

Less rounded head, average length legs
• Thin Tall

Example: Siamese
Long head, thin long legs, narrow shoulder

The head area in cats is secured with solid bones.

The eyes are indispensable to avoid injury in the attack and are wide and large to observe prey (cats are the largest-eyed mammals compared to their heads). His eyes have a high sensitivity and sharpness. They see 6 times better than humans in the dark.
Ears are extremely sensitive to hearing. It can easily hear sounds that human beings cannot hear and can easily distinguish its source. They hear even better than dogs.

It has strong sharp teeth. It has 30 teeth.
Dogs have a higher sense of smell, but higher.
Cats’ tail is important for both body language and balance.
Front paws are subject to ideal flexibility for running. The back paws, on the other hand, have a throwing power that increases the acceleration created in the jump. They can run at 30 kilometers per hour.