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The 5 mass extinctions in the history of the Earth (causes and consequences)

In the last 500 million years, life has been on the brink of extinction five times. A journey through history analyzing the causes and consequences of…

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The 12 parts of the digestive system (characteristics and functions)

The digestive system is made up of organs and tissues that, working in a coordinated way, allow the degradation of food into simple molecules that…

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Top 20 animal-borne diseases (zoonoses)

Diseases don’t just spread between humans. Animals can also transmit different pathogens to us. When we fall ill we tend to think that it was because…

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The 10 most common blood diseases

Blood is a tissue in our body that is responsible for delivering oxygen and nutrients to all cells in the body. In addition, it collects…

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The 15 most poisonous substances that exist

Whether natural or artificial, there are different chemical compounds that, if they come into contact with our body, can cause serious problems and even death…

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