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2. When the plastic sheet is pulled down (inhalation), what happens to the pressure in the plastic bottle?​
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2. When the plastic sheet is pulled down (inhalation), what happens to the pressure in the plastic bottle?​

User Tengiz
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Answer: (i) Air pressure inside the bell jar increases.

(ii) The balloons inside the jar expand.

(iii)This is similar to the expansion of the lungs during inhalation.

(iv)This is similar to the contraction of the lungs during exhalation.

Step-by-step explanation:

User GSTD
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