Ahuman arm and whale flipper have the same

bones.
shape.
function.
appearance.

the correct answer is: " ventricles " .

"recent advances in brain imaging have allowed clinicians to make scientifically useful comparisons in the relative size of the chambers in the brain that are filled with cerebrospinal fluid."

{source: refer to text within question.}.

these chambers are called ventricles .

Suck on my chicken21 savage

Light rays enter the eye through the cornea