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Question
Write down the functional activity of the following parts:
Collecting duct
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Solution
The collecting duct concentrates and alters urine volume and content.
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RELATED QUESTIONS
Explain the structure of nephron.
Assertion: Urea is excreted out through the kidneys.
Reason: Urea is a toxic substance.
Identify the CORRECT combinations in the given table.
| Part of nephron | Location | Function | |
| i. | Malpighian body | Cortex | Filtering blood |
| ii. | Proximal convoluted tubule | Cortex | Absorption of useful substances |
| iii. | Distal convoluted tubule | Only Medulla | Absorption of urea by action of ADH |
| iv. | Collecting duct | Either Cortex or Medulla | Collection of urine |
JG cells of Kidney secrete ______.
The tubular filtrate is finally known as ______.
Name the following:
Knot-like mass of blood capillary inside Bowman's capsule.
The blood flowing through the renal artery is oxygenated and contains a lot of nitrogenous waste.
The blood flowing through the renal vein is oxygenated and normally does not contain nitrogenous waste.
Differentiate between Malpighian capsule and Loop of Henle (location).
The figure given below represents a kidney tubule in humans and its blood supply. Study the figure and answer the questions that follow. Write specific name and numbers shown in the diagram for each answer.
 |
- Name the part which consists of a knot - like mass of blood capillaries.
- What is the specific name for the combination of parts shown as 5 and 3?
- Name the part which collects the glomerular filtrate.
- Where is the most water reabsorbed?
- Name the part which collects urine in the diagram shown.
- Which part lies in the medulla of the kidney?
- Which of the above parts is involved in the process of tubular secretion?
- How is hydrostatic pressure created?
- Where does ultrafiltration take place?
- Name two important constituents of urine.
