Advertisements
Advertisements
प्रश्न
Describe the structure of nephrons.
Advertisements
उत्तर
Nephrons are the basic filtering units of kidneys. Each kidney possesses a large number of nephrons, approximately 1-1.5 million. The main components of the nephron are the glomerulus, Bowman’s capsule, and a long renal tubule.
APPEARS IN
संबंधित प्रश्न
Mention the exact location of the Prostate gland.
_____________ secreted by the (ii) _____________ lobe of the pituitary gland. If this hormone secretion is reduced, there is an increased production of urine. This disorder is called (iii) ____________. Sometimes excess glucose is passed with urine due to hyposecretion of another hormone called (iv) _____________ leading to the cause of a disease called (v) ______________.
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.
Write the functions of Kidney
Fill in the following blank with suitable word:
Gums and resins are the .......... products of plants.
What job is done by the kidneys?
A dialysis machine contains long tubes coiled in a tank containing dialysing solution
What does the dialysing solution contain?
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?
Write True (T) or False (F) for the following statement. Rewrite the false statement in the correct form.
Excess sugar in the blood is a symptom of diabetes.
Fill in the blank.
.................. produces bile pigments from the heamoglobin of broken RBCs.
Explain the Term: Ureter
Give Technical Term:
The duct which transports urine from the kidney to the urinary bladder.
State the Location: Renal pyramids
State the Location: Medulla of Kidney
The CORRECT match is ______.
“All plants give out oxygen during the day and carbon dioxide during the night”. Do you agree with this statement? Give a reason.
What would happen if green plants disappeared from earth?
Name the following:
The main nitrogenous waste formed in the body.
The statement given below is false. Rewrite the correct form of the statement by changing the underlined word.
The pigment urochrome is the breakdown product of the haemoglobin of dead RBCs.
Name the following;
Three nitrogenous wastes of our body.
