1)Which structure contains the lowest concentration of urea?
2)which structure contains the highest concentration of urea?

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Solution

1. Lowest concentration of urea is present in Proximal convoulated tubule.
2. Highest concentration of urea is present in Glomerulas.

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Similar questions

The following diagram represents a mammalian kidney tubule (nephron) and its blood supply.

Parts indicated by the guidelines 1 to 8 are as follows :

1. Afferent arteriole from the renal artery;

2. Efferent arteriole

3. Bowman's capsule,

4. Glomerulus ;

5. Proximal convoluted tubule with blood capillaries;

6. Distal convoluted tubule with blood capillaries;

7. Collecting tubule;

8. U-shaped loop of Henle.

Study the diagram and answer the questions that follow;

(a) Where does ultrafiltration take place?

(b) Which structure contains the lowest concentration of urea?

(d) Which structure (normally) contains the lowest concentration of glucose?

(e) Where is most water reabsorbed?

C O_{2}

10^{- 4}

1

^{3}

10^{12}

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