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प्रश्न
Differentiate between:
Ureter and Urethra.
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उत्तर
| Ureter | Urethra |
| It transports urine from kidneys to the urinary bladder. | It transports urine from the urinary bladder to the exterior. |
| The sphincter muscle is absent. | It is guarded by a sphincter muscle. |
संबंधित प्रश्न
The excretory unit in the human excretory system is called ______.
Answer the following in detail.
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In humans, urea is formed in
Name the following:
The tuft of capillaries inside the Bowman's capsule.
Define the following term :
Renal pelvis
The diagram below represents a mammalian kidney tubule (nephron) and its blood supply. Parts indicated by the guidelines 1 to 8 are as follows:
1. U-shaped loop of Henle
2. Proximal convoluted tubule with blood capillaries
3. Bowman’s capsule
4. Afferent arteriole from the renal artery
5. Glomerulus
6. Venule to the renal vein
7. Collecting tubule
8. Distal convoluted tubule with blood capillaries Study the diagram and answer the following questions in each case:
(i) Where does ultrafiltration take place?
(ii) Which structure contains the lowest concentration of urea?
(iii) Which structure contains the highest concentration of urea?
(iv) Which structure contains the lowest concentration of glucose?
(v) Where is the most water reabsorbed?
Write the functional activity of the following structure: Renal artery
Choose the correct option.
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The number of ATP molecules required to produce one molecule of urea from the omithine cycle.
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