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प्रश्न
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उत्तर
Nephron is the basic structural and functional unit of the kidney.
Its chief function is to regulate the concentration of water and soluble substances like sodium salts by filtering the blood, reabsorbing what is needed and excreting the rest as urine.
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संबंधित प्रश्न
Draw a diagram of the human excretory system and label the various parts.
The given diagram represents a nephron and its blood supply. Study the diagram and answer the following questions:
(i) Label parts 1, 2, 3 and 4.
(ii) State the reason for the high hydrostatic pressure in the glomerulus.
(iii) Name the blood vessel which contains the least amount of urea in this diagram.
(iv) Name the two main stages of urine formation.
(v) Name the part of the nephron which lies in the renal medulla.
Name the two parts of a plant through which its gaseous waste products are released into the air.
In humans, urea is formed in
Given below is a highly simplified diagram of the human kidney cut open longitudinally. Answer the question that follow:
Mention two functions of the kidney.
Give Technical Term:
The organ in man concerned with maintaining water balance in the body.
State the Location: Medulla of Kidney
Choose the Odd One Out:
Answer the following question.
Amphibian tadpole can afford to be ammonotelic. Justify.
Give two examples of the following:
Main excretory organs
