The Respiratory System at a Glance

The 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 muscular system 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

digestive system The primary function of the respiratory system is to deliver oxygen to the cells of the body's tissues and remove carbon dioxide, a cell waste