In the above diagram, the structure labelled as 'X' indicates
(Distal Convoluted Tubule/Proximal Convoluted Tubule).
Important Questions on Excretory System
Identify in the below diagram of the excretory system of man.
A person was found to have a reduced level of reabsorption of water and glucose due to kidney damage. The following labelled part would be the site of damage for this patient.
Differentiate between the following pairs on the basis of what is indicated in the brackets.
Ureter and Urethra [function]
Choose the correct answer from the four options given below:
The structural and functional units of excretion in the human kidney is the:
Reason They are protruded into the body cavity from inner surface of dorsal body wall and have mesodermal peritoneum on their ventral side only
The diagram given below is that of a structure present in a human kidney. Study the same and answer the questions that follow:
Name the structure represented in the diagram.
Describe the structure and functioning of Nephron.
The figure given below shows a part of a nephron.
Answer the questions that follow:
(i) In which region of the kidney is the above structure present?
(ii) Label the parts numbered 1 to 4.
(iii) What is the technical term for the process that occurs in part 3?
(iv) Why is fluid X not called urine? Justify your answer.
(v) Draw a neat, labelled diagram of the urinary system of man.
The diagram given below represents an organ system in the human body. Study the same and answer the questions that follow:
(i) Identify the system.
(ii) Label the parts marked 2 and 4. Mention the function of part 5.
(iii) Name the structural and functional units of the part marked 1.
(iv) What is the fluid that accumulates in part 3? Which is the main nitrogenous waste present in it?
(v) Draw a neat, labelled diagram showing the longitudinal section of part 1.
Which diagram do you draw to label these parts?
(i) Bowman’s Capsule (ii) Uriniferous tubule (iii) Collecting Tubule
Draw the diagram and label the parts.
