A chronic condition where airways become inflamed and narrow, causing wheezing, coughing, and shortness of breath.

Air leaks into the space between the lung and chest wall, causing the lung to collapse.

Lung tissue becomes scarred and stiff, making it harder to breathe.

Fluid builds up in the lungs, making oxygen exchange difficult.

Rapid or deep breathing that causes excessive loss of carbon dioxide.

Movement of gases (oxygen and carbon dioxide) across the alveoli membranes from high to low concentration.

The act of breathing air into the lungs.

The act of breathing air out of the lungs.

Number of breaths taken per minute.

A test that measures oxygen saturation in the blood using a finger sensor.

Peak Expiratory Flow (PEF)

The fastest airflow during forced exhalation.

Peak Expiratory Flow Rate (PEFR)

Measurement of how quickly air can be exhaled from the lungs.

Forced Expiratory Volume (FEV1)

Amount of air exhaled in the first second of a forced breath.

Medication that relaxes airway muscles and widens the airways (often used for asthma).

Air enters; filters and warms air.

Throat; passageway for air from nasal cavity to larynx.

Voice box; contains vocal cords.

Windpipe; tube connecting larynx to bronchi.

Two main branches entering each lung.

Smaller airway branches inside the lungs.

Tiny air sacs where oxygen and carbon dioxide exchange occurs.

Separates right upper and right middle lobes.

Separates upper and lower lobes.

Main breathing muscle below the lungs.

C-shaped rings in the trachea that keep the airway open.

Flap that closes over the trachea during swallowing to prevent food from entering the airway.

Air passages that move air but do not exchange gases (nose → bronchioles).

Areas where gas exchange occurs (respiratory bronchioles, alveoli).

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Respitory system

Term	Definition
Asthma	A chronic condition where airways become inflamed and narrow, causing wheezing, coughing, and shortness of breath.
Pneumothorax	Air leaks into the space between the lung and chest wall, causing the lung to collapse.
Pulmonary Fibrosis	Lung tissue becomes scarred and stiff, making it harder to breathe.
Pulmonary Edema	Fluid builds up in the lungs, making oxygen exchange difficult.
Hyperventilation	Rapid or deep breathing that causes excessive loss of carbon dioxide.
Diffusion	Movement of gases (oxygen and carbon dioxide) across the alveoli membranes from high to low concentration.
Inspiration	The act of breathing air into the lungs.
Expiration	The act of breathing air out of the lungs.
Respiratory Rate	Number of breaths taken per minute.
Pulse Oximetry	A test that measures oxygen saturation in the blood using a finger sensor.
Peak Expiratory Flow (PEF)	The fastest airflow during forced exhalation.
Peak Expiratory Flow Rate (PEFR)	Measurement of how quickly air can be exhaled from the lungs.
Forced Expiratory Volume (FEV1)	Amount of air exhaled in the first second of a forced breath.
Bronchodilator	Medication that relaxes airway muscles and widens the airways (often used for asthma).
Nasal cavity	Air enters; filters and warms air.
Pharynx	Throat; passageway for air from nasal cavity to larynx.
Larynx	Voice box; contains vocal cords.
Trachea	Windpipe; tube connecting larynx to bronchi.
Bronchi	Two main branches entering each lung.
Bronchioles	Smaller airway branches inside the lungs.
Alveoli	Tiny air sacs where oxygen and carbon dioxide exchange occurs.
Lungs	Main organs of breathing.
Horizontal Fissure	Separates right upper and right middle lobes.
Oblique Fissure	Separates upper and lower lobes.
Diaphragm	Main breathing muscle below the lungs.
Cartilaginous rings	C-shaped rings in the trachea that keep the airway open.
Epiglottis	Flap that closes over the trachea during swallowing to prevent food from entering the airway.
Conducting Zone	Air passages that move air but do not exchange gases (nose → bronchioles).
Respiratory Zone	Areas where gas exchange occurs (respiratory bronchioles, alveoli).

Created by: user-1898303

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