The urethra carries urine from the kidney to the urinary bladder.
Important Questions on Excretory System
In the given diagram of urine formation, which process occurs in X and Y?
Match the following ?
| List I | List II | List III | |||
| (i) | High threshold substances | (a) | Not at all reabsorbed | (p) | Creatinine |
| (ii) | Low threshold substances | (b) | Efficiently reabsorbed | (q) | Glucose |
| (iii) | Athreshold substances | (c) | Reabsorbed in very little amounts | (r) | Urea |
The diagram given below is that of a structure present in a human kidney. Study the same and answer the questions that follow:
What is the fluid that comes to part ‘2’ called? Name the main nitrogenous waste in it.
(i) Close proximity between Henle's loop and vasa recta
(ii) Counter current mechanism
(iii) Selective secretion of and hydrogen ions in
(iv) Higher blood pressure in glomerular capillaries
| Column – I | Column – II (Part | ||
| Function | Part of Excretory System) | ||
| a. | Ultrafiltration | i. | Henle’s loop |
| b. | Concentration of urine | ii. | Ureter |
| c. | Transport of urine | iii. | Urinary bladder |
| d. | Storage of urine | iv. | Malpighian corpuscle |
| v. | Proximal convoluted tubule |
Reason They are protruded into the body cavity from inner surface of dorsal body wall and have mesodermal peritoneum on their ventral side only
Choose the correct answer from the four options given below:
The structural and functional units of excretion in the human kidney is the:
Identify in the below diagram of the excretory system of man.
The diagram given below is that of a structure present in a human kidney. Study the same and answer the questions that follow:
What is the liquid entering part ‘1’ called? Name two substances present in this liquid that are reabsorbed in the tubule.
