An MRI is needed when doctors think there is inflammation, a tumor, or something medically wrong with the brain that we can't see on the outside.
Answer:
to be happy and sad depending upon situation
Explanation:
I think it's Homeostasis. If not then I apologise.
A. Diaphragm I took the test and it said the answer was A
Wait for some one to answer and click the brainliest by the answer.
