1.Inhalation and Exhalation Are Pulmonary Ventilation—That’s Breathing
2. External Respiration Exchanges Gases Between the Lungs and the Bloodstream
3. Internal Respiration Exchanges Gases Between the Bloodstream and Body Tissues
4. Air Vibrating the Vocal Cords Creates Sound
5. Olfaction, or Smelling, Is a Chemical Sensation
