Page 234 - DK Children's Encyclopedia
P. 234
Smell SEE ALSO
▸ ▸ Brain p.45
▸ ▸ Hearing p.127
Smell is one of our senses. When tiny parts of something ▸ ▸ Human body
float through the air and into our nose we identify a smell. p.130
The brain tells us what it smells like compared to other ▸ ▸ Muscles p.173
things we’ve smelled before. ▸ ▸ Skeleton p.228
▸ ▸ Taste p.249
This area works out what
the smell is and sends
information to the brain.
How we smell These cells are The brain
Anything that smells releases tiny sensors that tells us about
particles into the air. The particles mix detect smells. the smell.
with a sticky fluid in our nose called
mucus. Sensors in the nose detect Mucus
the smell and send signals to the brain This sticky fluid mixes
to identify it. with the smell to help
the sensor cells
detect what it is.
Nose bone
We can detect
more than Nose cavity
10,000 This is the main airway for
The smell enters the nose.
breathing. It is connected
different smells to the throat and mouth.
with our nose!
The tongue
has sensors
for tasting
food.
Taste and smell
Smell and taste are closely
linked. If you hold your
nose, you will find it
harder to figure out what
something tastes like.
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