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science class 3 human body respiratory system.observation: Hold the bottle. pull knot of the balloon. what happens?​

Answer»

ong>Answer:

so by holding the bottle and pull not off the balloon there will be a same process of human respiration. when we BLOOM the air there will be a inhalation and when we release LAW there will be a exhalation so buy this we can conclude that this experiment is showing that about human respiration

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