Respiratory system

Respiratory system Definition, Organs, Function, & Facts respiratory system The major passages and structures of the upper respiratory tract include the nose or nostrils, nasal cavity, mouth, throat , lymphatic system The respiratory system's main job is to move fresh air into your body while removing waste gases Once in the lungs, oxygen is moved into the

skeletal 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