Question

In the excretory system of human beings, some substances in the initial
filtrate such as glucose, amino acids, salts and water are selectively
reabsorbed in​

Answer 1

The nephron tubule allow the selective reabsorption of the useful substances like glucose, amino acids, salts and water in to blood capillaries

Answer 2

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Excretory system:-

Excretion is the process of removal of toxic wastes from the body of an organism. The major wastes produced by us are: Carbon dioxide and Urea. Carbon dioxide is produced by the process of respiration and urea is produced by the decomposition of unused proteins in the liver. It is necessary to remove these wastes from our body as their accumulation is poisonous and harm us. There are different organs which removes waste from the body. These are lungs and kidneys. Our lungs excrete carbon dioxide and kidneys urea. So, the kidney is the main excretory organs of the human body.