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Категория: БиологияБиология

The human skeleton

1.

The human
skeleton

2.

Your skeleton’s 3 main
jobs:
1. Your skeleton gives
you your shape. If you didn’t have a
skeleton, you would be a blob!
2. Your skeleton helps you to move.
You could not run or swim without
bones.
3. Bones protect other parts of your
body

3.

Skeleton fact
A baby is born with
over 300 bones but
some bones grow
together so that all
grown ups have 206
bones.

4.

Your skull
Knock on your skull and feel how
hard it is. It is hard so it can protect
your brain and eyes. The skull is
made up of 28 bones.
Muscles
Muscles are attached to bones. B

5.

Ball and socket joints
Bones meet at joints.
Make a fist and put your fist in your open hand. This
is how a ball and socket joint works.
Your shoulders
and hips are ball
and socket joints.

6.

Broken bones
Bones are tough, but they can break. Fortunately, broken bones can
heal. Special cells help repair the bone. How fast a bone heals depends
on the kind of break. If the broken ends fit together well, a bone may heal
more quickly.

7.

Your backbone
Your backbone, or your
spine, helps support your
body. It is made up of bones
called vertebrae.
Your ribcage
You have 12 pairs of ribs that
Your heart and lungs are prote

8.

Your arm bones
Your upper arm bone is called you
● Your lowerare the ulnaand radius
●Hitting your “funny bone” usually is

9.


Your hands and feet
Your hands have 27 bones in each! Your hands
and wrist are easy to control because they have
so many movable bones.

10.

thank you for your attention!!
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