Definition of respiratory system

respiratory system  Human Respiratory System · We take in oxygen from the atmosphere with our nostrils · The pharynx opens into the trachea through the larynx · Each bronchus Labeled diagram of the lungsrespiratory system View Original Image at Full Size Labeled diagram of the lungs

The major organs of the respiratory system function primarily to provide oxygen to body tissues for cellular respiration, remove the waste The upper respiratory tract includes the nasal cavity , pharynx , and larynx All of these organs are involved in conduction, or the movement of air into and

During inspiration, fresh air enters the respiratory system through the pared external nares andor the oral cavity to the pharynx Air The respiratory system ; Nasal cavity · Air is warmed and filtered as it enters the body ; Trachea · Brings air into the lungs Supported by rings of cartilage