Advertisements
Advertisements
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.
Advertisements
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
Write the functions of Kidney
If a patient is out on dialysis, he is most likely suffering from a severe ailment of the:
(a) circulatory system
(b) respiratory system
(c) excretory system
(d) digestive system
The substance which is not reabsorbed into the blood capillaries surrounding the tuble of a nephron is mainly:
(a) glucose
(b) amino acid
(c) urea
(d) water
The excretory organs in an earthworm are:
(a) nephridia
(b) nephrons
(c) raphides
(d) ureters
One of the following sets of body parts or substances or processed, pick out the one item which overall includes the remaining foir.
Skin, liver, lungs, kidneys, excretion.
Answer the following question:
Explain the human excretory system with the help of a suitable diagram.
Complete the following sentence with appropriate word:
Besides excretion, the kidneys also carry out the important function of ______.
Choose the correct option.
What is micturition?
Answer the following question.
Name any one guanotelic organism.
In order to maintain homeostasis or constant internal environment . ______' is essential.
