explain through a diagram how digestion nd excretion takes place in our body...
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Digestion in human body.
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excration is a process in which we remove our waste product from body.
Digestion is a process in we digest our food the digestion is start as we put food in our mouth. the teeth help in physical digestion and salivary gland help in chemical digestionby secreting enzymes
Digestion is a process in we digest our food the digestion is start as we put food in our mouth. the teeth help in physical digestion and salivary gland help in chemical digestionby secreting enzymes
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