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प्रश्न
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.
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उत्तर
(i)
1 – Collecting duct
2 – Distal convoluted tubule (DCT)
3 – Descending limb of loop of Henle
4 – Bowman’s capsule
(ii) The diameter of efferent arteriole is narrower than the diameter of the afferent arteriole which builds the high hydrostatic pressure in the glomerulus.
(iii) Efferent arteriole
(iv) The two main stages of urine formation are ultrafiltration and tubular reabsorption.
(v) Henle’s loop and collecting tubules
संबंधित प्रश्न
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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. |
- What are organs A?
- Name the waste substance B.
- What are (i) E, and (ii) F?
- Name G, H and I.
- What is the process described above known as?
Write True (T) or False (F) for the following statement. Rewrite the false statement in the correct form.
Urine is devoid of blood cells.
Write down the functional activity of the following parts,
Henle's loop ………………
Correct and rewrite the statements by changing the biological term that is underlined for the statement:
The kidney is composed of number of neurons.
Answer the following question:
Explain the human excretory system with the help of a suitable diagram.
Give Technical Term:
The tube joining the kidney to the urinary bladder.
Complete the following sentence with appropriate word:
______ is the functional unit of kidney.
Complete the following sentence with appropriate word:
______ supplies blood to kidney.
Name the following:
The main nitrogenous waste formed in the body.
