The lymphoid tissue around the neck of an animal is more concentrated. We all know that there may be bacteria in the lymphoid tissue, but it does not mean that the neck equals the lymph.
For example, the pig's neck, known as "blood neck flesh" of the name, it does have more lymph nodes, especially ... Read more
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Many people know that cyanide is poisonous, and only 0.1g can kill people.
And the world's first poison should be: polonium.
The content of polonium in the earth's crust is about 100 trillion. The toxicity of polonium 210 is 100 billion times higher than that of cyanide.
According to the US Nucle... Read more
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For the impression that Australia is in Leah, many people will say that it is vast, sparsely populated, or that it is rare. It is true that Australia ranks sixth in the world, second only to Russia, Canada, China, the United States and Pakistan, two times more than India, and only about twenty milli... Read more
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