It is the lungs.
Pulmonary
Community activity center.
Middle.
hub
center of attention
The like word is eupnea (good respiratory condition).(Another possibility is the omission of several letters of the word European.)
Another 5 letter word for shopping centre is "shops" "malls"
Another word for influenza is "the flu." It refers to the viral infection that affects the respiratory system, often characterized by symptoms such as fever, cough, and body aches.
pivot point ?maybe
Another word for the windpipe is the trachea. It is a tube that connects the throat (pharynx) to the lungs, allowing air to pass in and out during respiration. The trachea is an essential part of the respiratory system.
The lungs.
The respiratory center is located in the brainstem, specifically in the medulla oblongata and pons. These regions of the brain control the basic rhythm and depth of breathing through signals to the muscles involved in respiration.