The white structure that connects the cerebral hemispheres i… Questions The white structure thаt cоnnects the cerebrаl hemispheres is the Show Answer Hide Answer 17. WHAT IS PNEUMOTHORAX? Show Answer Hide Answer 7. WHAT IS THE PRIMARY FUNCTION/PURPOSE OF THE UPPER AIRWAY? I. PROVIDE HUMIDITY II. PROVIDE WARMTH III. FILTRATION OF AIR IV. PROVIDE GAS EXCHANGE Show Answer Hide Answer