The catDomestic cats (the scientific name: Felis catus) belong to the category of mammals and therefore the rank of carnivores, which are the littlest species that belong to the feline family. the traditional Egyptians domesticated wild cats since about 1500 BC, once they realized their role in protecting grain crops from rodents, and that they respected the cats because they worshiped a god with a cat head named Bastet, and archaeologists have found several thousand cat mummies in Egyptian temples and many rat mummies are a favorite food for cats.
Duration of pregnancy of a catThe cat reaches sexual maturity between the fourth and tenth month of her life, and it can mate several times per annum, and males can identify females who are able to mate from special scents that blend with their urine, additionally to the sounds and calls that make them, therefore the males begin to fight with one another to win the strongest among them the proper to intermarry with the feminine, and therefore the period of pregnancy of the cat ranges between 63-65 days; that's, two months and a number of other days, then put between 3-5 cats.
During the primary fortnight of pregnancy, the cat becomes nauseous, so its eating becomes but usual, but with the beginning of the third week, it regains its appetite, then begins to realize more weight, and its stomach appears swollen as if it swallowed a ball if the number of fetuses in its stomach was large. every week before the date of its birth, the cat begins to look for a secure and warm place to offer birth, and it's noted that it stops eating two days before its birth. The mother puts her first baby about an hour after labor begins, then she gives birth to a cat every 15-20 minutes until all fetuses begin, and therefore the mother cuts the duct together with her teeth, begins to lick the cats together with her tongue to wash them, activate their blood circulation, and eat the placenta that gives them with food and stimulates the beginning of milk secretion. Cats are born blind and deaf, and their senses don't begin to figure until ten days later, and therefore the cat continues to breastfeed its young for about eight weeks, leaving them after weaning and prepared to mate again  
General characteristics of catsHere are some general characteristics of cats:
- The average weight of domesticated cats ranges between 6-10 pounds (2.7 - 4.5 kilograms), but there are some cats that weigh up to twenty-eight pounds (12.7 kilograms).
- The average length of a male cat's body is 28 inches (approximately 71 centimeters), while the typical human body length is 20 inches (50.8 centimeters).
- A cat's gastrointestinal system adapts to its diet, therefore the intestine is brief in order that it can digest meat more efficiently.
- The brain is characterized by being large and developed.
- The cat moves by moving the front and back legs on one side, then the front and back legs are moved on the second side, and during this way, it moves the giraffe and camel.
- The cat can bend and extend its back easily, because the vertebrae of the spine are bound together by muscles and not by ligaments, for instance in humans.
- Cats have 30 teeth, 16 of which are within the upper jawbone, and 14 within the mandible, and that they use only their teeth and molars to chop and tear food, while the remainder of the teeth are useless, as they are doing not have grinding teeth, while small cats have 24 teeth that replace them with permanent teeth When she reaches the fifth month of life.
- Cats are ready to pull their claws into the palm of the palm once they don't get to use them, and therefore the cat protects its claws by moving the finger bone that covers the claw, and at an equivalent time, it works to spread the fingers of the palm in order that the palm-size doubles.
- Cats aren't ready to distinguish colors clearly, and cats can control the opening of the pupil's eye to match the intensity of sunshine, and it's known that the eyes of cats excel at night when a robust light is shone on them due to the presence of a layer of guanine substance within the retina that increases their sensitivity to light, and from the properties of eyes Cats have a 3rd eyelid.
- Cats have more sense of hearing than dogs. they're ready to answer approximately 85,000 vibrations per second, while dogs only answer 35,000 vibrations per second. The cat's ears contain thirty muscles, and this provides them the power to maneuver the ear easily and quickly towards a source of the sound.
- Cats have a robust sense of smell that permits them to differentiate the scents of drugs containing nitrogen, like fish.
- The cat's tongue covers sharp bumps called papillae that make the tongue coarse, helping it clean itself.
- When cats fall from an elevated position, the cats can adjust their body position in order that they touch the bottom with their four limbs. This property is named righting reflex.
- Cats are social animals naturally, they sleep in groups, but they hunt individually, and every member of the group is liable for the defense of himself.
- Cats like better to stay in high places because this provides them a wider range of visibility, as they like to leap on prey from a high place.
- Cats are characterized by their love for toys, and that they are often seen playing balls of strings or chasing the mother's tail, and it's believed that this sort of behavior in cats is said to their hunting instinct.
Cat breedsHere are some cat breeds that a lot of people like better to have as a pet:
- Siamese cat.
- Persian cat.
- Cat Min. Ragdoll cat.
- Bengali cat.
- Abyssinian cat.
- Berman's cat.
- The eastern short-haired cat.
- Pharaonic cat.
- Devon Rex cat.
- Himalayan cat.
- American short-haired cat.