54
Where are kidneys located in the human body ? Name the filtration unit of them.
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(A)
$\bullet$ Kidneys are located in the abdomen. ($\frac{1}{2}$ Mark)
$\bullet$ Nephrons ($\frac{1}{2}$ Mark)
(B)
(i) Amount of water in the body. ($\frac{1}{2}$ Mark)
(ii) Amount of dissolved wastes that need to be excreted. ($\frac{1}{2}$ Mark)
(C)
$\bullet$ Urea content is high in structure 'Q' whereas the concentration of useful substances such as glucose and amino acids and salt is less as they will be reabsorbed back into the blood. (2 Marks)
OR
$\bullet$ Diabetic person may not have insulin so the sugar level in the blood rises. Hence, there will be more glucose in structure Q of table-II. (2 Marks)
$\bullet$ Kidneys are located in the abdomen. ($\frac{1}{2}$ Mark)
$\bullet$ Nephrons ($\frac{1}{2}$ Mark)
(B)
(i) Amount of water in the body. ($\frac{1}{2}$ Mark)
(ii) Amount of dissolved wastes that need to be excreted. ($\frac{1}{2}$ Mark)
(C)
$\bullet$ Urea content is high in structure 'Q' whereas the concentration of useful substances such as glucose and amino acids and salt is less as they will be reabsorbed back into the blood. (2 Marks)
OR
$\bullet$ Diabetic person may not have insulin so the sugar level in the blood rises. Hence, there will be more glucose in structure Q of table-II. (2 Marks)