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प्रश्न
The statement given below is false. Rewrite the correct form of the statement by changing the underlined word.
A pair of renal arteries branch off from the vena cava and enter the kidney.
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उत्तर
A pair of renal arteries branch off from the aorta and enter the kidney.
संबंधित प्रश्न
Explain the structure of nephron.
Explain the structure of kidney and the steps involved in the formation of urine
Assertion: Urea is excreted out through the kidneys.
Reason: Urea is a toxic substance.
Glucose is reabsorbed from the glomerular filtrate mainly in the ____________.
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 |
The blood flowing through the renal vein is oxygenated and normally does not contain nitrogenous waste.
Write down the functional activity of the following parts:
Vasa recta
Match the items in Column I with those in Column II and write down the matching pairs.
| Column I | Column II | ||
| (a) | Bowman's capsule | (i) | Renal artery |
| (b) | Contains more CO2 and less urea | (ii) | Regulates amount of water excreted |
| (c) | Antidiuretic hormone | (iii) | Renal vein |
| (d) | Contains more urea | (iv) | Glomerulus |
Name the following:
Three types of fluids in different parts of a nephron.
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.
