This page discusses the anatomy and physiology of the respiratory system, including the functions of oxygenation, ventilation, and perfusion. It explains how the respiratory system provides oxygen to ...This page discusses the anatomy and physiology of the respiratory system, including the functions of oxygenation, ventilation, and perfusion. It explains how the respiratory system provides oxygen to the body, removes carbon dioxide, and maintains acid-base balance. Key structures involved include the conducting zone (nose, pharynx, trachea) and respiratory zone (alveoli).
The normal range of a respiratory rate for an adult is 12-20 breaths per minute at rest, and the normal range for oxygen saturation of the blood is 94–98% (SpO₂) [3] . Bradypnea is less than 12 breath...The normal range of a respiratory rate for an adult is 12-20 breaths per minute at rest, and the normal range for oxygen saturation of the blood is 94–98% (SpO₂) [3] . Bradypnea is less than 12 breaths per minute, and tachypnea is greater than 20 breaths per minute. Break up the assessment by listening to the anterior lung sounds and then the heart sounds and allowing the patient to rest before listening to the posterior lung sounds.
