Give reasons
a) The volume of glomerular filtrate formed is 180 l/day but the amount of urine excreted is 1-2l/day.
b) The movement of food through phloem is different from movement of water through xylem
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a) reason: some water is exreted, some amount of water is refertilized,some amount of water is reused , some amount of water is seperated for digestion, etc. because of all such reasons , just
1 to 21 litre water is excreted from 180 litre
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