B. is the answer because the nervous system send nerves down your body telling your hand to move its a reaction to the pain of the hotness your felling
The correct answer is B. Pinna because auris externa is the external portion of the ear, which is called auricle ( also known as pinna ).
* Hopefully this helps:) Mark me the brainliest:)!!
<em>∞ 234483279c20∞</em>
