The exchange of air between the atmosphere and the alveoli.
Pulmonary Ventilation
the opening of the nose
Nares
The process in which cells use oxygen and nutrients to generate energy
Cellular Respiration
The scientific name for the voice box.
Larynx
The breathing pattern that sometimes occurs during anxiety attacks.
Hyperventilation
The leaf-shaped structure that helps prevent the entrance of food into the trachea.
Epiglottis
The space between the vocal folds.
Glottis
The area below the nasal cavities that is common to both the digestive and respiratory systems.
There are three of these in the right lung but only two in the left lung.
Lobar bronchus
The breathing pattern resulting from respiratory obstruction.
Hypoventilation
Difficult or labored breathing
Dyspnea
An abnormal increase in the depth and rate of breathing
Hyperventilation
A temporary cessation of breathing
Apnea
Increased rate of breathing reflecting increased activity levels
Tachypnea
Difficult breathing that relieved by sitting upright.
Orthopnea
An abnormally low oxygen partial pressure in arterial blood
Hypoxemia
An abnormally low oxygen level in tissues
Hypoxia
A variable respiration rhythm observed in some critically ill patients
Cheyne Stokes respirations
commonly called the windpipe, this tube extends from the larynx to the lungs
Trachea
Small sacs that line the lungs and exchanges air, gases and blood
Alveoli
The active phase of quiet breathing in which the muscles contract
Inhalation
The passive phase of quiet breathing in which the muscles relax
Exhalation
An instrument used to record the volume of air inhaled and exhaled.
Spirometer
The respiratory control center is located where?
Medulla or Brainstem
Normal respiration Rates for adults, children, infants
Adults 12-20
Children 20-40
Infants more that 40