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प्रश्न
Complete the following sentence with appropriate words:
The outer surface of the kidney is ______ while the inner surface is ______.
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उत्तर
The outer surface of the kidney is Convex while the inner surface is concave.
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संबंधित प्रश्न
Define excretion.
Why do some people need to use a dialysis machine? What does the machine do?
What are the methods used by plants to get rid of their waste products?
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?
Why is excretion necessary in living beings?
Given below is a diagram of a human kidney, cut open longitudinally. Answer the following:
(i) Give definition of excretion.
(ii) Name the unit of kidney.
(iii) Why does the cortex of kidney show dotted appearance?
(iv) List the functions of the kidney.
Differentiate between:
Ureter and Urethra.
Write the functional activity of the following structure: Nephron
Write the functional activity of the following structure: Renal vein
Answer the following question.
Why do we get bad breath after eating garlic or raw onion?
