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What's the function of crocodiles?
Crocodile meat

Crocodile meat is a kind of meat with low fat and cholesterol. Healthy and high-quality crocodile meat is not only delicious, but also has the effects of nourishing the heart and moistening the lungs, enriching the blood and strengthening the bones, tonifying the kidney and replenishing essence, and eliminating evil and dampness. Regular consumption can invigorate qi and nourish blood, relieve asthma and relieve cough. However, crocodile meat is best eaten with skin, because crocodile skin is rich in gum, which can effectively prevent osteoporosis and has the effect of moisturizing and caring skin.

strong function

Modern medical research has proved that crocodiles are all treasures, and their meat, bones, nails and internal organs are rich in high-quality protein and essential amino acids, unsaturated fatty acids, vitamins and various trace elements. Crocodile meat is not only delicious, but also can replenish qi and blood, strengthen bones and muscles, treat asthma, and has obvious curative effect on chronic cough and diabetes. Crocodile bile has many effects of clearing away heat and toxic materials and can be treated.

Crocodiles are carnivorous and oviparous vertebrates. They are the oldest reptiles contemporary with dinosaurs more than 200 million years ago, and they are also one of the most primitive animals that have survived so far. Crocodiles have survived and multiplied because of their exuberant vitality and become one of the oldest living fossils on the earth. Crocodiles belong to endangered wild protected animals and are listed as endangered wild animals and plants under first-class protection internationally. Chinese alligator (also known as Chinese alligator), a special product of China, has been listed as a national first-class wild protected animal. In 2003, the State Forestry Administration approved three crocodiles, Nile crocodile, porous crocodile and Siamese crocodile, to be included in the first list of 54 commercial wild animals. Crocodile is an advanced reptile. It breathes with its lungs and its heart is divided into four chambers. There is a bony upper jaw on the top wall of its oral cavity, which separates the nasal cavity from the oral cavity. Its teeth are only born in the alveolar space of the upper and lower jaws, similar to mammals. This shows that mammals evolved from reptiles. Crocodiles have eyes on the top of their heads. In addition to its eyelids, it also has a transparent instantaneous membrane, which makes it adapt to the underwater environment. Because the crocodile's nostrils are located on the back of the upper end, there is a valve inside, so when it dives into the water, the valve automatically closes, which can prevent water from flowing into the nostrils. In its pharynx, there is a thin and elastic membrane. When this membrane is closed, its mouth is separated from the respiratory tract. Therefore, even if it opens its mouth in water, water will not enter the respiratory tract and lungs. Its long and thick tail is not only a "rudder" in swimming, but also a tool for preying and a weapon against the enemy.