Science Test Worksheets - John Buchan Middle School Page 5
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16(b)
What organ of the body does the cotton wool represent?
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1 mark
(c)
What harmful effects can cigarette smoking have on the body?
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1 mark
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3.
The circulatory system
(a)
Some children are learning about blood and how it flows around the human body.
Blood flows faster when the heart pumps faster.
Which TWO of the following make the heart pump fastest?
Tick TWO boxes.
swimming
resting
stretching
running
1 mark
(b)
What do we measure to find out how fast the heart is pumping?
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1 mark
John Buchan Middle School
5
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