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mery task 2/T3/G/11
Page 8 of 8
NSC
po/August 2024
313 Describe what happens to the balloon when the plastic sheet is released and moves to the
original position
3.1.2 Explain the process observed in 3.1.3. in the human body.
(1)
(3)
3.3 Does pulling the pull tab at the bottom of the plastic sheet represent a passive- or active
process in the human mechanism of breathing?
(1)
3.4 What happens to the pressure in the plastic bottle when Plastic sheet is released back to
original position?
(1)