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On This Day
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Did You Know?
Your Body
Highs and lows
If your body temperature rises or falls by just a few degrees, it can ...
Cell science
No one knew that cells existed until 1665. Then an English scientist, ...
Splitting up
Until you are 18-20 years old, new cells are constantly being made to ...
Amazing But True
By weight, your cells, and therefore your whole body, are almost ...
Warm-blooded
Human beings are warm-blooded. This means that the temperature inside ...
Body organs
Organs are groups of tissues which work together. They include your ...
Tissue types
Your body tissues include skin, muscle, blood, nerve and bone tissue. ...
DID YOU KNOW?
Most cells are too small to see except under a microscope. Female egg ...
Who am I?
All living things are made up of tiny units, called cells. Your body ...