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The Human Body ~ Activity 1<br />
The Skeletal System<br />
The Skeletal System<br />
Our skeleton performs three main tasks. Write a sentence explaining each.<br />
Our Skeleton<br />
To protect our body parts.<br />
To support our body.<br />
To help us move.<br />
Place these labels in their<br />
correct position on the diagram.<br />
humerus skull kneecap ribs shoulderblade<br />
jawbone femur backbone pelvis collarbone<br />
Our Muscles<br />
A muscle is a collection of thread-like<br />
fibres, surrounded by a protective she<strong>at</strong>h.<br />
(a)<br />
(b)<br />
Muscles make all<br />
Muscles work in<br />
.<br />
possible.<br />
There are two types of muscles:<br />
• involuntary muscles<br />
(they carry out activities over which<br />
we have little or no control); and<br />
• voluntary muscles<br />
(they are controlled by the conscious<br />
part of our brain).<br />
Did you know?<br />
When you break your bone<br />
it’s called a ‘fracture’.<br />
A ‘simple fracture’ is when<br />
there’s no break in the skin.<br />
A ‘compound fracture’ is<br />
when the skin is punctured<br />
by the broken bone.<br />
There is a big difference in<br />
fractures and in the time<br />
and skill required to tre<strong>at</strong><br />
them.<br />
Classify these common activities as either involuntary or<br />
voluntary movements. Add some of your own.<br />
blinking walking bre<strong>at</strong>hing<br />
swallowing head turning typing<br />
Involuntary movements<br />
© R.I.C. Public<strong>at</strong>ions<br />
Low resolution display copy only<br />
Voluntary movements<br />
R.I.C. Public<strong>at</strong>ions® www.ricpublic<strong>at</strong>ions.com.au 26 ISBN 978-1-922313-88-1 <strong>Learning</strong> <strong>at</strong> <strong>home</strong> <strong>workbook</strong> 6
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