Science OCR gateway B5 Part 1

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List three advantages of the internal skeleton over an external skeleton?
-it can easily grow with your body -its more flexible than an external skeleton -its easy to attach muscles to it -it gives body support and provides framework.
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Why is it unwise to move someone with a broken bone?
As the nearby tissue may become damaged also.
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Where can you find a synovial joint?
Knee
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What happens to the lower arm when the bicep contracts?
The arm bends
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Describe the circulatory system of humans?
Humans have a double circulatory system. This has two circuits from the heart one to the body and another to the lungs, in a double circulatory system there is four chanbers t the heart
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Other cards in this set

Card 2

Front

Why is it unwise to move someone with a broken bone?

Back

As the nearby tissue may become damaged also.

Card 3

Front

Where can you find a synovial joint?

Back

Preview of the front of card 3

Card 4

Front

What happens to the lower arm when the bicep contracts?

Back

Preview of the front of card 4

Card 5

Front

Describe the circulatory system of humans?

Back

Preview of the front of card 5

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