What is the medical term meaning deep breathing?

Inhale or Inhaling
Inspiration or inhalation
Inhalation.
Inhaling
inhaling i think i mean who wouldn't know that
It's called Respiration.
Inhaling and taking a breath.
Inhaling.
Respiration.
Breathing in is called inhaling.
Inspiration (the act of taking in air to the lungs)
Respiration