chuzz Flashcards
What is the primary function of the respiratory system?
To facilitate breathing and gas exchange.
True or False: The lungs are the main organs of the respiratory system.
True
Fill in the blank: The process of taking in oxygen and expelling carbon dioxide is called ______.
respiration
What is the name of the tube that carries air to the lungs?
Trachea
Multiple Choice: Which part of the respiratory system is responsible for gas exchange? A) Trachea B) Alveoli C) Bronchi
B) Alveoli
What is the diaphragm’s role in respiration?
It helps expand and contract the lungs during breathing.
True or False: The nasal cavity filters and warms the air we breathe.
True
What are the tiny air sacs in the lungs called?
Alveoli
Fill in the blank: The ______ are the main passageways that air travels through after the trachea.
bronchi
Multiple Choice: What gas do we inhale? A) Carbon Dioxide B) Oxygen C) Nitrogen
B) Oxygen
What muscle is primarily responsible for breathing?
Diaphragm
True or False: The respiratory system also plays a role in regulating body temperature.
True
What is the function of the epiglottis?
To prevent food from entering the trachea during swallowing.
Fill in the blank: The ______ are located at the end of the bronchi and lead to the alveoli.
bronchioles
Multiple Choice: Which of the following is NOT a part of the respiratory system? A) Lungs B) Heart C) Trachea
B) Heart
What is the role of cilia in the respiratory system?
To trap and move particles out of the airways.
True or False: Oxygen is transported in the blood primarily by red blood cells.
True
What is the term for the exchange of gases between the blood and body cells?
Internal respiration
Fill in the blank: The ______ is the flap that covers the trachea during swallowing.
epiglottis
Multiple Choice: Which of the following is a respiratory disease? A) Asthma B) Diabetes C) Hypertension
A) Asthma
What happens during exhalation?
Air is expelled from the lungs.
True or False: The respiratory system can function independently of the circulatory system.
False
What is the primary gas that is a waste product of cellular respiration?
Carbon dioxide
Fill in the blank: The ______ helps to regulate the rate of breathing.
brain
Multiple Choice: What is the process of breathing in called? A) Inhalation B) Exhalation C) Respiration
A) Inhalation
What is the primary purpose of the alveoli?
To facilitate the exchange of oxygen and carbon dioxide.