Relier Pairs Respiratory system simple structureVersion en ligne To help the student to know the simple structure of respiratory system par Nursing Empowerment Program 1 Diaphragm 2 Inferior, Middle, Superior Lobe 3 Larynx 4 Alveolus 5 Primary Bronchi 6 Nasal Cavity 7 Thorax or Chest Cavity 8 Lung 9 Bronchioles 10 Trachea 11 Pharynx The passageway for air and food which locates between the nose/mouth and larynx. Muscle that contracts to expand the chest cavity and draw air into the lungs. It locates at the base of the thoracic cavity. Enclosed space containing the lungs, heart, and other organs. It locates between the diaphragm and the neck. It contains the vocal cords and regulates air flow into the trachea. It locates in the neck, between the pharynx and trachea. It transports air between the larynx and primary bronchi. It locates in the neck and upper chest, connecting the larynx to the primary bronchi. The three main divisions of each lung. It locates within the lungs. Tiny air sacs in the lungs where gas exchange (O2 and CO2) occurs. It Located within the lungs, at the end of the bronchioles. Organ responsible for gas exchange and respiration. It locates within the thoracic cavity, inside the ribcage. Tiny air passages within the lungs that connect the bronchi to the alveoli. It locates within the lungs, branching off from the bronchi. The major airways that branch off from the trachea and carry air to the lungs. It locates within the lungs, branching off from the trachea. Airway through the nose that warms, filters, and moistens inhaled air. It locates within the nose, above the oral cavity.