I think series because parallel circuits have too many breaks
D) Typically someone with anxiety will be anxious at various points causing dramatic, or not so dramatic changes in mood swings. When someone has an anxiety attack, mood swings will be extremely dramatic.
Answer:
Diaphragmatic breathing requires contraction of the diaphragm and is also called deep breathing. Costal breathing requires contraction of the intercostal muscles and is also called shallow breathing.
