Skin is kept moist in earthworms. It helps in (a) Locomotion (b) Respiration (c) Protection (d) Both (a) and (b
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Skin in earthworms are kept moist because of the process of respiration.
Respiration in earthworms can happen only by means of diffusion which transfers molecules from areas of higher concentration to areas of lower concentration.
Therefore, through this process new oxygen is constantly getting diffused into the cell with the used up oxygen getting released.
Skin in earthworms are kept moist because of the process of respiration.
Respiration in earthworms can happen only by means of diffusion which transfers molecules from areas of higher concentration to areas of lower concentration.
Therefore, through this process new oxygen is constantly getting diffused into the cell with the used up oxygen getting released.
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