1. no breathing: apnea 2. bluish discoloration of the skin: cyanosis 3. the process by which molecules move from an area of higher concentration to an area of lower concentration: diffusion 4. difficult and labored breathing; shortness of breath: dyspnea 5. a deficiency of oxygen reaching the tissues of the body: hypoxia 6. situated or extending between the ribs: intercostals 7. increased work of breathing; a sensation of shortness of breath: respiratory distress 8. the reduction of breathing to the point where oxygen intake is not sufficient to support life: respiratory failure 9. pulling in the skin and soft tissue between the ribs when breathing: retractions 10. active process in which the muscles of the rib cage and the diaphragm contract: inhalation 11. passive process during which the intercostal muscles and the diaphragm relax: exhalation 12. classified as adequate or inadequate: breathing 13. detect increasing levels of carbon dioxide as well as low levels of oxygen- : chemoreceptors 14. process of inhaling and exhaling: ventilation 2 / 5 15. refers to the exchange of gases between the alveoli and the blood and between the blood and the cells: respiration 16. exchange of gases between alveoli and blood: external respiration 17. exchange of gases between blood and the cells: internal respiration 18. what are the 15 anatomic landmarks: pharynx trachea suprasternal notch costal angle vertebra prominence clavicles xyphoid process intercostal space mid sternal line right and left mid clavicular lines right and left anterior axillary lines right and left mid axillary lines right and left posterior axillary lines