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Flashcards on Respiratory System
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What is the main function of the respiratory system?
To exchange oxygen and carbon dioxide between the body and the air.
Which organ is responsible for oxygenating the blood?
Lungs
What is the process called by which air enters the lungs?
Inhalation
What structures filter the incoming air and produce mucus to trap dust and pathogens?
Nose and nasal cavity
What is the muscular dome-shaped structure that separates the thoracic and abdominal cavities?
Diaphragm
Which part of the respiratory system contains the vocal cords?
Larynx
What are the tiny air sacs in the lungs where gas exchange occurs called?
Alveoli
What is the process called by which carbon dioxide is eliminated from the body?
Exhalation
Which gas is transported by red blood cells in the respiratory system?
Oxygen
Which part of the brain controls the basic rhythm of breathing?
Medulla oblongata
What is the medical term for difficulty in breathing?
Dyspnea
Which tube connects the larynx to the lungs?
Trachea
What is the name of the contagious respiratory infection caused by a virus?
Influenza
Which structure covers the trachea while swallowing to prevent food from entering the airway?
Epiglottis
What is the medical term for the windpipe?
Trachea
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Test Your Knowledge
Which organ is responsible for oxygenating the blood?
Liver
Stomach
Lungs
Heart
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What is the muscular dome-shaped structure that separates the thoracic and abdominal cavities?
Esophagus
Gallbladder
Diaphragm
Pancreas
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Which part of the respiratory system contains the vocal cords?
Trachea
Nasal cavity
Larynx
Pharynx
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What are the tiny air sacs in the lungs where gas exchange occurs called?
Bronchi
Bronchioles
Alveoli
Pleura
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Which gas is transported by red blood cells in the respiratory system?
Carbon dioxide
Nitrogen
Oxygen
Hydrogen
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What is the medical term for difficulty in breathing?
Tachypnea
Hypoxia
Dyspnea
Hemoptysis
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Which tube connects the larynx to the lungs?
Esophagus
Bronchus
Trachea
Pharynx
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What is the name of the contagious respiratory infection caused by a virus?
Tuberculosis
Pneumonia
Influenza
Bronchitis
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Which structure covers the trachea while swallowing to prevent food from entering the airway?
Epiglottis
Uvula
Tonsils
Adenoids
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What is the medical term for the windpipe?
Bronchus
Alveoli
Trachea
Pharynx
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