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True or false: There are 206 bones in an adult human body and 300 bones in an infant's body
True
True or false: Most of the dust in your house is made up of human skin
False
Can you lick your elbow?
No
If you go into space do you get taller?
Yes, the cartilage disks in your spine expand due to the lack of gravity
What is the hardest substance in the human body?
Tooth enamel
True or false: Your temperature slightly raises during digestion
True
Where are the three smallest bones in the human body? Do you know their names?
In the middle ear. Collectively called ossicles, the 3 bones are the malleus (hammer), incus (anvil) & stapes (stirrup).
What is the lifespan of a red blood cell?
Around 120 days.
What is the longest type of cell in the body?
The nerve cell (neuron).
What does bike do in your body?
Emulsify fats in the small intestine.
True or false: Bacteria are always bad for us
False. Some bacteria are bad for us, and attack us or stop our bodies functioning properly. Others don’t interact with us at all, but might live on or around us
