I’m not sure if you got the wrong number
Epinephrine
Epinephrine is usually produced by the two kinds the adrenal
glands and certain neurons. It plays an
important role in the fight-or-flight response by increasing blood flow and
also to muscles, output of the heart, pupil dilation, and blood sugar.
Answer:
I think your answer is C. I Googled images. C is the closest resemblance to the image.
Explanation:
The is should be C, Im not 100% sure though...
The build up in the child's ear prevent sound from reaching the eardrum.