At birth, there are 14 billion cells in the human brain. This number does not increase throughout a person's lifetime. After 25 years, the number of cells falls by 100,000 every day. About 70 cells die in the minute it takes you to read a page in a book. After 40 years, the decline of the brain accelerates sharply, and after 50 years neurons (that is, nerve cells) shrink and the brain gets smaller.
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Human Body Facts
Non-FictionHave you ever wanted to know more about the Human Body? Have you ever wondered how much blood your heat pumps or wondered what's more sensitive than your fingers? This will take you on an adventure through the Human body in which you've never expect...
