Question
HLPaper 1A
The image shows a transverse section through a collecting duct in a vertebrate kidney.
How is the movement of materials across the wall of the collecting duct affected by the release of ADH from the pituitary gland?
A
There is increased movement of water in the direction of arrow I.
B
There is increased movement of sodium in the direction of arrow I.
C
There is increased movement of water in the direction of arrow II.
D
There is increased movement of sodium in the direction of arrow II.