Protoplasm

Cell parts

Protoplasm The cessation of visible activities is due to the cessation of activities within the substance of the …

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Nitrogenous Excretion

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Nitrogenous Excretion Nitrogenous excretion is the removal of nitrogenous waste substances of metabolism. Nitrogenous waste substances During protein …

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Osmoregulation

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Osmoregulation Osmoregulation is concerned with the regulation of body fluid solute concentration in the animal and the maintenance …

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Immune Responses

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Immune Responses Adaptive immune Responses In the secondary lymphoid organs, T and B cells undergo further mitosis in …

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The Immune System

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Immunity The immune system describes a set of the major defense mechanisms to protect the body against invasion …

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