Science Test Worksheets - John Buchan Middle School Page 13
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16Level 5
8.
Bones
(a)
A human skeleton is made up of bones.
Tick ONE box to show the main life process for which bones are important.
breathing
nutrition
movement
reproduction
1 mark
(b)
Birds also have a skeleton. The diagrams below show a human bone and a bird
bone cut in half.
Human bone
Bird bone
The bird bone is hollow (filled with air) inside. This makes it easier for the bird
to fly.
Why do hollow bones make it easier for birds to fly?
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1 mark
John Buchan Middle School
13
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