In which part of your body is breathing regulated?
a. lungs
c. bronchi
b. heart
d. brain

pick it up and keep it back in

explanation:

so simple, yet people dont relize

i say that the answer is 'd'

i think it's the first one because doctors aren't the ones who get rid of the old needles. most of them time it's not even doctors who give you shots, it's nurses.

gynecologist i believe