Q.):- There is a pair of bean-shaped organs P in the human body towards the back, just above the waist. A waist. A waste product Q formed by decompositon 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 form yellowish liquid U which goes from organ P into 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 ?
(i) Name (i) liquid U (ii) structure V (iii) tubes W, and (iv) tube X.

Q.):- The organs A of a person have been damaged completely due to which too much of a poisonous waste material B has started accumulating his blood, making it dirty. In order to save this person's life, the
blood from an artery in the person's arm is made to flow into long tubes made of substance E which are
kept in coiled form in a tank containing solution F. This solution contains three materials G, H and I in
similar proportions to those in normal blood. As the person' blood passes through long tubes of substance
E, most of the wastes present in it go into solution. The clean blood is then puf back into a vein in the arm
of the person for Circulation.
(a) What are organs A ?
(b) Name the waste substance B.
(c) What are (i) E, and (ii) F ?
(d) Name G, H and I.
(e) What is the process described above known as ?

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Solution

Dear student,
Q6.(a)(i)The organ P is kidney (ii) The waste substance Q is Urea.
(b)(i)The artery R is renal artery (ii) The vein T is renal vein.
(c)The tiny filters S are known as nephrons.
(d)(i)The liquid U is urine (ii) The structure V is urinary bladder (iii) Tubes W is known as ureter (iv)Tube X is known as the urethra.

Q7. (a)The organ A is the kidney.
(b)The waste substance B is urea.
(c)The structure E is cellulose and F is the dialyzing solution.
(d)The G, H, I are water, electrolytes, salts like sodium salts or bicarbonates.
(e)The process described above is called as Dialysis or hemodialysis.
Regards

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There is a pair of bean-shaped organs Pin 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 I' 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 form 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.

Q. The organs A of a person have been damaged completely due to which too much of a poisonous waste material B has started accumulating in his blood, making it dirty. In order to save this person's life, the blood from an artery in the person's arm is made to flow into long tubes made of substance E which are kept in coiled form in a tank containing solution F. This solution contains three materials G, H and I in similar proportions to those in normal blood. As the person's blood passes through long tubes of substance E, most of the wastes present in it go into solution. The clean blood is then put back into a vein in the arm of the person for circulation.
(a) What are organs A?
(b) Name the waste substance B.
(c) What are (i) E, and (ii) F?
(d) Name G, H and I.
(e) What is the process described above known as?

A dialysis machine contains long tubes coiled in a tank containing dialysing solution :
(i) Of what substance are the tubes made ?
(ii) What does the dialysing solution contain ?
(iii) Name the main waste product that passes into the dialysing solution.

Q. The partially digested food coming from the stomach of a person enters a long and narrow organ A in his body. The organ A receives the secretion of two glands : liver and pancreas. Liver secretes a greenish-yellow liquid B which is normally stored in the organ C. Pancreas secretes pancreatic juice which contains three digestive enzymes D, E and F. The intestinal juice completes the process of digestion of food. The inner wall of organ A has millions of tiny finger-like projections G which help in the rapid absorption of digested food into blood stream. The undigested part of food then passes into wider tube H which absorbs most of the water from undigested food. The last part of tube H called I stores this undigested food (or waste) for some time. The undigested food is then passed out though opening J as faeces in the process known as K.
(a) Name the organ A.
(b) Name (i) liquid B, and (ii) organ C.
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(d) Name the projections G present on the inner wall of organ A.
(e) Name (i) tube H (ii) part I (iii) opening J, and (iv) process K.

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