Antidepressant drugs are frequently effective in treating panic attacks. This may mean that the disorder is related to levels of the neurotransmitter:

norepinephrine

Explanation:

Norepinephrine is a chemical in our body system that simply functions as a neurotransmitter that is, it helps to send signals between the nerve cells in our body and also acts as a stress hormone.

When the brain feels that we are going through a stressful moment, norepinephrine is then released in the blood. Norepinephrine helps increases the heart rate and give more energy to our body.

relationship between pressure and air volume and led to the understanding of how respiration works; i believe this is the correct answer ; /// good luck

answer apply a dressing and apply pressure,then get to the hospital;