Given below are two statements with respect to counter current mechanism.
$Statement-I$: Tissue fluid around the descending limb of Henle's loop becomes concentrated, during the counter current mechanism.
$Statement-II$: Water moves out from the descending limb of Henle's loop into the tissue fluid by osmosis.
In the light of the above statements, select the correct option from the codes given below:

• A
  Both $Statement-I$ and $Statement-II$ are incorrect.
• B
  Both $Statement-I$ and $Statement-II$ are correct.
• C
  $Statement-I$ is incorrect but $Statement-II$ is correct.
• D
  $Statement-I$ is correct but $Statement-II$ is incorrect.