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How is gas exchange done in flatworms?
Platyhelminthes exchange gases exclusively by diffusion by their body surface. This is only possible because all cells are localized relatively near to the exterior as gases diffuse cell by cell (the flat shape of these worms is a feature that permits this type of respiration).
Name a system that accomplishes that necessity and explain how that system accomplishes that necessity.
Q. Cows swallow their food once and then this food goes back to the mouth to be chewed again. How can this phenomenon be explained? The food ingested by cows and other ruminant
Lymphatic Vessels The function of lymphatic vessels is to aid in the return of interstitial fluid to intra-vascular volume. They assist with transport of lipids from th
Weight Measurement of New Born Check weight on an infant weighing machine. Weight of the neonate is 2.8-3.5 kg with an average weight of 2.5 kg. When taking weight take
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Determine the representation of the Nucleus In all eukaryotic cells, the nucleus represents the most prominent and conspicuous organelle of the cell, and is generally seen as a
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Counter current flow - Respiration Each filament has an upper and a lower row of flat lamellae. The lamellae of successive filaments are in close contact. Gas exchange takes p
A healthy potted pitcher plant when kept in a green house with favourable conditions of light, temperature, soil and water showed poor growth although there was no infection. Give
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