Subconscious and unconscious are synonyms when they’re informal adjectives meaning occurring in the absence of awareness or thought. For example, to say that kittens make you feel anxious on a subconscious level is the same as saying they make you feel anxious on an unconscious level.
In this way, is Breathing conscious or subconscious?
Breathing is one of the few vital bodily functions that can be controlled consciously, as well as unconsciously. Conscious control of breathing is common in many activities, including swimming and singing.