Peristalsis helps in storing food, breaking down food down and mixing it with juices secreted by stomach lining. Peristalsis in stomach helps in partial digestion of food called chyme.
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Explanation: Tube 1 doesn't contain an organism so it can't be that one. Both a snail and a plant are considered an organism, and cellular respiration occurs in almost any organism's cells
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<em>Scientific laws or laws of science are statements, based on repeated experiments or observations, that describe or predict a range of natural phenomena. ... Scientific laws summarize the results of experiments or observations, usually within a certain range of application.</em>
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<em>*Hope this helped*</em>
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Millions of galaxies. (More than that, too.) but that would be your closest answer.
