Respatory System Flashcards
(27 cards)
What is the main function of the respiratory system?
To facilitate the exchange of oxygen and carbon dioxide.
True or False: The diaphragm is a muscle that helps with breathing.
True
Fill in the blank: The __________ are the tiny air sacs in the lungs where gas exchange occurs.
alveoli
What is the pathway air takes through the respiratory system starting from the nose?
Nose → Pharynx → Larynx → Trachea → Bronchi → Lungs
Multiple Choice: Which of the following is NOT part of the respiratory system? A) Lungs B) Heart C) Trachea D) Bronchi
B) Heart
What gas do humans inhale during respiration?
Oxygen
True or False: The primary muscle used in inhalation is the diaphragm.
True
What is the role of the cilia in the respiratory system?
To help trap and move particles out of the airways.
Fill in the blank: The __________ is a flap that prevents food from entering the trachea during swallowing.
epiglottis
Multiple Choice: What is the main waste gas produced by cellular respiration? A) Oxygen B) Carbon Dioxide C) Nitrogen D) Hydrogen
B) Carbon Dioxide
What is the function of the nasal cavity?
To filter, warm, and humidify the air we breathe.
True or False: Gas exchange occurs in the bronchi.
False
What happens to the diaphragm during inhalation?
It contracts and moves downward.
Fill in the blank: The __________ connects the throat to the lungs.
trachea
Multiple Choice: Which part of the brain controls breathing? A) Cerebrum B) Cerebellum C) Medulla Oblongata D) Thalamus
C) Medulla Oblongata
What is the term for the process of breathing in?
Inhalation
True or False: The left lung is smaller than the right lung.
True
What is the purpose of surfactant in the alveoli?
To reduce surface tension and prevent alveoli collapse.
Fill in the blank: The __________ are the main organs of the respiratory system.
lungs
Multiple Choice: Which of the following is a common respiratory disease? A) Asthma B) Diabetes C) Hypertension D) Arthritis
A) Asthma
What is the process of breathing out called?
Exhalation
True or False: The respiratory system also plays a role in regulating body temperature.
True
What is the primary function of the bronchi?
To carry air from the trachea to the lungs.
