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, (ii) F?(d) Name G, H and I.(e) What is the process described above known as ?

(a) Organs A is Kidneys.

Explanation: Complete damage to the kidney (A) can lead to the accumulation of wastes in the blood.

(b) The waste substance B is Urea.

Explanation: Complete damage to the kidney can lead to the accumulation of waste materials like urea (B) in the blood.

(c) (i) E is Cellulose.

Explanation: During dialysis, the blood from an artery in the person's arm is made to flow into long tubes made of cellulose (E). 

(ii) F is a Dialysing solution.

Explanation: During dialysis, the blood from an artery in the person's arm is made to flow into long tubes made of cellulose (E) which are kept in a coiled form in a tank containing Dialysing solution (F). 

(d) G, H, and I are Water, Glucose, and Salts, respectively.

Explanation: Dialysing solution contains three materials Water (G), Glucose (H), and Salts (I) in similar proportions to those in normal blood. 

(e) The process of removing wastes from the blood, externally using a machine is known as Dialysis.
 

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Updated on: 24-Mar-2023

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