Studied by 13 people
Glucose
The simplest soluble nutrient form.
Alveoli
The only respiratory sites where gas exchange occurs.
Conducting Passageways
The other respiratory structures which allow air to reach the lungs that purify, humidify, and warm the air that reaches the lungs.
Nose
The only visible part of the respiratory system.
External Nares
The two openings of the nose where the air enters.
Nostrils
Another term for the external nares.
Anterior Nasal Passage
The passageway where air goes into after coming through the external nares.
Nasal Hair
A part of the anterior nasal passage that traps foreign particles.
Nasal Cavity
The internal part of the nose.
Nasal Septum
The partition that divides the space of the nasal cavity.
Olfactory Receptors
The nerve endings that are responsible for the sense of smell.
Mucous Glands
The glands that secrete sticky mucus that moistens air and traps bacteria and other foreign particles.
Conchae
The bony plates paired with the walls of the nasal cavity to prevent inhaled particles from entering the lungs.
Pharynx
A five-inch muscular passageway for food and air.
Throat
The common term for the pharynx.
Internal Nares
The openings that connect the pharynx to the nasal cavity.
Nasopharynx
The region of the pharynx that receives air from the nasal cavity.
Oropharynx
The region of the pharynx which is the common passageway for food and air and leads to the esophagus.
Laryngopharynx
The region of the pharynx that leads to another tract.
Tonsils
The clusters of tissue that protect the body from foreign invaders found in the pharynx.
Larynx
An organ that plays a role in speech formed by cartilages.
Voice Box
The common term for larynx.
Thyroid Cartilage
The largest cartilage found in the larynx which is shield-shaped.
Laryngeal Prominence
A protuberance formed by the thyroid cartilage.
Adam’s Apple
The common term for the laryngeal prominence.
Epiglottis
A cartilage that guards the opening of the larynx from anything other than air to prevent it from reaching the lungs.
Vocal Folds
The folds of membrane that are located in the larynx which vibrate when air is expelled and allow a person to speak.
True Vocal Cords
Another term for the vocal folds.
Glottis
The folds and the space between the vocal folds.
Trachea
A four-inch tract that is located mid-chest that contains C-shaped cartilages that keep it open.
Cilia
The grass-like projections in the trachea which propel mucus that contain dust and other particles to the direction opposite that of the incoming air.
Windpipe
The common term for trachea.
Rib Cage
The group of bones that provides a protected space for the lungs.
Apex
The upper portion of each lung.
Base
The inferior border of each lung.
Diaphragm
A dome-shaped muscle where the lungs rest.
Right Lung
The shorter and wider lung which contains three lobes.
Left Lung
The longer and smaller lung which contains two lobes.
Pleura
A membrane that covers each lung.
Pleural Fluid
A slippery secretion produced by the pleurae which allows the lungs to glide over the wall of the thorax during breathing.
Secondary and Tertiary Bronchi, Bronchioles, and Alveolar Ducts
The smaller branches of bronchi found in the lungs.
Alveolar Sacs
The sacs where the smaller branches of bronchi end into which contain alveoli.
Alveolus
The functional unit of the lungs.
Pulmonary Ventilation
The process of where in the lung and the thoracic cavity, volume changes lead to pressure changes, which allow the flow of gases between the two structures to equalize.
Breathing
The common term for pulmonary ventilation.
Inspiration
A mechanical process by which air goes into the lungs.
Inhalation
The common term for inspiration.
Expiration
A mechanical process by which air leaves the lungs.
Exhalation
The common term for expiration.
