Page 13 - 新思维科学学生用书4 样章
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1 Living Things
1.2 Why we need a skeleton
We are going to…
• describe the main functions of the skeleton
• measure the length of bones
• think about why it is better to measure in standard units
• record data in a table.
function organs
length protect
Getting started muscles support
1 What is the role of the skeleton?
2 Think of some reasons why we need a skeleton.
3 Name any of the parts inside your body that you know of.
brain
Our skeleton has four main jobs or functions. brain
skull
skull
Skeletons protect
The parts inside our bodies are called organs. The body
rib rib cage
organs do important jobs that keep us alive and healthy. cage
Our skeletons protect the main organs of our bodies. spine spine
Skeletons give shape lungs
lungs
The bones of our skeleton are strong. The skeleton heart
heart
forms a frame that supports or holds up the rest of the
body and gives the body its shape. Our skeleton makes
our body firm. We cannot squash our body easily because of our skeleton.
Skeletons allow us to move
Our skeleton helps us to walk, run and move in lots of different ways. We
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