Plasmolysis is the reason. The reason that the Elodea cell prevents from collapsing completely is that the Plasmolysis is the main reason because it always has water to keep it full. The answer in this question is Plasmolysis is the reason because it always has water to keep it full.
<span>No crying underwater is not possible because of 2 reasons.
1) While crying there is a spasm of muscles , of that of the oesophagus (throat) and this would result in death of an individual if he/she is under water.
2) The external fluid pressure will not permit the tear gland to secrete tears there by nullifying the possibility.
Thus u cannot cry unre water..
of course except if u are wearing a goggle or u are in a submarine! :)</span><span>
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