Name the wast product released by the following organs in our body a kindney (b) lungs (c) skin (d) food canal
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Explanation:
These chemical reactions produce waste products such as carbon dioxide, water, salts, urea and uric acid. Accumulation of these wastes beyond a level inside the body is harmful to the body. The excretory organs remove these wastes. This process of removal of metabolic waste from the body is known as excretion.
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An iron pipe is 42 cm long and its exterior radius is 4 cm. If the thickness of the pipe is I am and iron weighs 100 gram per cm", find the weight of the pipe.
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