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Question 141 Mark
What is dialysis?
Answer
Dialysis is a process of separation of toxic substances from the blood stream through a membrane by kidney machine or artificial kidney.
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Question 161 Mark
What is excretion? Give names of excretory organs.
Answer
Separation and elimination of the metabolic nitrogenous wastes from the body is called excretion.
Kidneys, skin and lungs are important excretory organs.
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[1 Mark Question Answer] - Biology STD 10 Questions - Vidyadip