One percent of people can see infra-red light and 1% can see ultra violet radiation.
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Human Body Facts
NonfiksiHave 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...
1%
One percent of people can see infra-red light and 1% can see ultra violet radiation.
