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The Human Body
Transcript of The Human Body
They cover my eyes when I sleep
and when I blink. I blink about 15 times a minute. The black circle is my pupil.
It is really a window that lets
light into my eye. Inside my eyeball is a kind of
clear jelly. It keeps my eyeball round
and smooth and light can pass through it. There are nerves in the back
of my eye that carries the picture to my brain. My Muscles Muscles help me move my bones.
I have muscles all over my body. They
are joined to my bones by long stretchy bands
called ligaments. When I bend my arm, the muscle
bunches up. When I stretch it, the muscle
flattens out Exercise helps to keep my muscles
supple and strong. My Ears The outer part of my ear
is like a funnel. I directs sounds into
my ear passage. When a sound hits my eardrum it
vibrates just like a drum. The nerves in my inner ear, tell
my brain what I am hearing My Skeleton My skull holds and protects my brain
like a shell holding a nut. My backbone is made up of lots
of smaller bones joined together, so
that I can bend, twist and turn. My rib cage protects
my heart and lungs. My Head My head holds my brain. I think, feel
and remember with my brain. My eyes, ears, mouth, nose and skin tell my brain what is happening in the world outside. My brain is my body's control
centre. Messages are sent between
my brain and all the different parts of my body. The brain weighs about 3
pounds. Interesting Facts When you are born your skeleton had
around 350 bones. By the time you become an adult, you will only have 206 bones. This is because, as you grow, some of the bones join together to form one bone. The strongest muscle in the
body is the tongue. The adult body is made up of:
100 trillion cells
22 internal organs The average human head
has about 100,000 hairs. There are about 9000 taste buds on the surface
of the tongue, in the throat, and on the roof of the mouth. The circulatory system of arteries, veins and capillaries
is about 60,000 miles long. Created By: Shona Forman
Pictures from: http//office.microsoft.com/en-au/clipart
Reference: Royston, A (1991), What's inside? My Body. Austraila: RD Press.