Question number 100
100. There is a air of bean-shaped organs P in the human body towards the back, just above the waist.
A waste product Q formed by the decomposition of unused proteins in the liver is brought into organ
P through blood by an artery R. The numerous tiny filters S present in organ P clean the dirty blood by
removing the waste product Q.The clean blood goes into circulation through a vein T.The waste substance Q,other waste salts, and excess water from a yellowish liquid U which goes from organ P into a bag-like structure V through two tubes W.This liquid is then thrown out of the body through a tube X.
(a) What is (i) organ P, and (ii) waste substance Q?
(b) Name (i) artery R, and (ii) vein T?
(c) What are tiny filters S known as?
(d) Name (i) liquid U (ii) structure V (iii) tubes W, and (iv) tube X.

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Solution

Dear Student,

In the given question,
a) (i) Organ P is kidney (ii) waste substance Q is urea
b) (i) Artery R is renal artery (ii) vein T is renal vein
c) The tiny filters S are known as nephrons
d) (i) The liquid U is urine (ii) structure V is bladder (iii) tube W is ureter and (iv) tube X is urethra.

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