Given below are two statements.
$Statement-I$: During aerobic respiration, $ETS$ releases energy in a stepwise manner to prevent damage to cells.
$Statement-II$: During aerobic respiration, $ETS$ provides water molecules.
In the light of the above statements, choose the correct answer from the options given below.

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