Name the following :

(a) The organ which produces urea.

(b) The outer region of the kidney containing the Bowman's capsule.

(c) The tuft of capillaries inside the Bowman's capsule.

(d) The part of kidney tubules where the term urine is first used for the fluid in it.

(e) The vein in which urea concentration is maximum.

Q. Name the following:
(a) The organ which produces urea.
(b) The outer region of kidney containing the Bowman's capsule.
(c) The tuft of capillaries inside the Bowman's capsule.
(d) The part of kidney tubules where the term urine is first used for the fluid in it.
(e) The vein in which urea concentration is maximum.

Q.

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?

(c) Which structure contains the highest concentration of urea?

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

(e) Where is most water reabsorbed?

Q.

Which one of the folloiwng statement is incorrec?
(a) The medullary zone of kidney is divided into a few conical masses called madullary pyramids projecting into the calyces
(b) Inside the kidney the cortical region extends in between the medullary pyraminds as renal pelvis
(c) Glomerulus along with bowman capsule is called the renal corpuscle
(d) Renal corpuscle, proximal Convoluted Tubule (PCT) and Distal Convoluted tubule (DCT) of the nephron are sutuated in the cortical region of kidney

Q. Which of the following parts of a kidney contains the lowest concentration of urea?

Q. The bunch of capillaries present in the Bowmans capsule is called