Which of the following statements is/are incorrect regarding the collecting duct?
(i). It extends from the cortex to medulla.
(ii). Large amount of water could be reabsorbed by it to produce concentrated urine.
(iii). Small amount of urea diffuses into it from the medulla to keep up the osmolarity.
(iv). it plays a role in maintaining pH and ionic balance of blood by the selective secretion of `H^(+)` and `K^(+)` ions.

Which of the following statements is false regarding the collecting duct? I. Collecting duct is a straight duct II. It extends from the cortex to medulla III. Large amount of water could be reabsorbed from it to produce concentrated urine IV. Small amount of urea diffuses out from it into the medulla to keep up the osmolarity V. It plays a role to maintain pH and ionic balance of blood by the selective secretion of H^(+)andK^(+) ions

Which play important role to produce concentrated urine

Projection of cortex into medulla is called

Projection of cortex into medulla is called

Cortex extened in to medulla as

Which of the following reproductive structure is divided into cortex and medulla ?

Which of the following reproductive structure is divided into cortex and medulla ?

Which of the following statements are correct regarding secretion oxyntic cells? (i) It denatures proteins and softens fibrous connective tissues in the blood. (ii) It activates rennin. (iii) It has a role in maturation of RBCs. (iv) It activates trypsin.

Which of the following statements are correct regarding secretion oxyntic cells? (i) It denatures proteins and softens fibrous connective tissues in the blood. (ii) It activates rennin. (iii) It has a role in maturation of RBCs. (iv) It activates trypsin.