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Question
Answer the following in detail.
How do skin and lungs help in excretion?
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Solution
1. Skin – excretes excess water, urea, salts, and other metabolic wastes in the form of sweat. These waste products are carried by the blood from all body parts to sweat glands in the skin.
2. Lungs – Eliminate carbon dioxide produced as a result of respiration through the nose.
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