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Question
Differentiate between:
The Renal artery and the Renal vein.
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Solution
| Renal Artery | Renal Vein |
| Blood is rich in urea. | Blood is nearly free from urea. |
| Blood has more salts of Na+, K+, NH4+. | The blood has less salts of Na+, K+, and NH4+ |
| Blood is rich in oxygen. | Blood is rich in CO2– |
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RELATED QUESTIONS
The diagram given below shows a section of human kidney. Study the diagram carefully and answer the questions that follow :
(i) Label the parts numbered 1 to 4.
(ii) Why does part ‘2’ have a striped appearance?
(iii) What is the fluid that passes down part ‘4’? Name the main nitrogenous waste present in it.
(iv) Mention the structural and functional units of kidneys.
(v) Name the two major steps in the formation of the fluid mentioned in Q.5 (a) (iii).
In which of the following are the largest amounts of nitrogen excreted from a mammalian body?
(a) breath
(b) sweat
(c) urine
(d) faeces
Tick the most appropriate answer.
Quinine is used in the treatment of
Differentiate between
excretion and transpiration
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.
Explain the functioning of kidney.
Name the Following
The blood vessels which brings pure blood to the kidneys:
Write the functional activity of the following structure: Renal vein
The tadpole of frog lives in water, hence its mode of excretion is ______.
Adult frog is an amphibian, its mode of excretion is ______.
