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प्रश्न
Differentiate cortical from medullary nephrons.
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उत्तर
| Sr. No. | Cortical nephrons | Medullary nephrons |
| 1. | These are found in the cortex. | These are found in the medulla. |
| 2. | These have short Henle’s loop. | These have long Henle’s loop. |
संबंधित प्रश्न
Name the blood vessel that brings blood to the kidneys.
Fill in the blank.
.................. carries urine from the kidney to the urinary bladder.
Answer the following in detail.
How do skin and lungs help in excretion?
The diagram given below represents an organ system in the human body. Study the same and answer the questions that follow :
Label the parts marked 2 and 4. Mention the function of part 5.
Name the following:
Organ which stores urine.
What kind of urine (concentration) is produced in the human body?
Give Technical Term:
A mass of fine blood capillaries found in each Bowman’s capsule.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Urethra carries urine from the kidney to the urinary bladder.
Write the functional activity of the following structure: Bladder sphincter
Choose the Odd One Out:
Multiple Choice Question: What is the chief nitrogenous waste in mammals?
Choose the correct option.
Bowman’s capsule is located in kidney in the _______.
Choose the correct option.
Urea is a product of breakdown of ______.
Which one of the following substance is not a constituent of sweat?
Name the three filtration barriers that solutes must come across as they move from plasma to the lumen of Bowman’s capsule. What components of the blood are usually excluded by these layers?
Identify the structures present in the cortex of the kidney.
The bunch of capillaries inside the Bowman’s capsule.
Match the terms given in Column I with their physiological processes given in Column II and choose the correct answer
| Column I | Column II |
| A. Proximal convoluted tubule | i. Formation of concentrated urine |
| B. Distal convoluted tubule | ii. Filtration of blood |
| C. Henle's loop | iii. Reabsorption of 70 - 80% of electrolytes |
| D. Counter-current mechanism | iv. Ionic balance |
| E. Renal corpuscle | v. Maintenance of concentration gradient in medulla |
The maximum amount of electrolytes and water (70-80%) from the glomerular filtrate is reabsorbed in which part of the nephron.
The organ that does not belong to the excretory system:
