Respiration Flashcards
What is the primary function of the respiratory system?
To facilitate gas exchange, primarily oxygen and carbon dioxide.
True or False: The diaphragm is a muscle that aids in breathing.
True
Fill in the blank: The process of taking in oxygen and expelling carbon dioxide is known as __________.
respiration
What are the two main types of respiration?
External respiration and internal respiration.
Which structure in the respiratory system is primarily responsible for gas exchange?
Alveoli
Multiple Choice: Which of the following is NOT part of the respiratory system? A) Trachea B) Lungs C) Heart D) Bronchi
C) Heart
What is the role of the nasal cavity in respiration?
To filter, warm, and humidify the air entering the respiratory system.
True or False: The lungs are located in the thoracic cavity.
True
Fill in the blank: The exchange of gases occurs in the __________.
alveoli
What is the term for the volume of air inhaled or exhaled in one breath?
Tidal volume
Multiple Choice: What is the primary muscle involved in inhalation? A) Intercostal muscles B) Abdominals C) Diaphragm D) Pectorals
C) Diaphragm
What is the primary purpose of the epiglottis?
To prevent food from entering the trachea during swallowing.
True or False: The right lung has three lobes.
True
Fill in the blank: __________ is the gas that is primarily expelled during exhalation.
Carbon dioxide
What is the function of the bronchi?
To transport air from the trachea to the lungs.
Multiple Choice: Which part of the brain regulates the respiratory rate? A) Cerebellum B) Medulla oblongata C) Cerebrum D) Thalamus
B) Medulla oblongata
What is the significance of surfactant in the lungs?
It reduces surface tension in the alveoli, preventing collapse.
True or False: The respiratory system is responsible for vocalization.
True
Fill in the blank: The __________ is the tube that carries air to the lungs.
trachea
What are the tiny hairs lining the respiratory tract called?
Cilia
Multiple Choice: What condition is characterized by the inflammation of the bronchial tubes? A) Asthma B) COPD C) Bronchitis D) Pneumonia
C) Bronchitis
What is the purpose of the respiratory mucosa?
To trap pathogens and particles and moisten the air.
True or False: Oxygen binds to hemoglobin in red blood cells.
True
Fill in the blank: The process of breathing out is known as __________.
exhalation
