Pulmonary System Flashcards
(24 cards)
What is the main function of the pulmonary system?
To exchange oxygen and carbon dioxide between the body and the environment.
True or False: The pulmonary system includes the lungs, trachea, bronchi, and diaphragm.
True
What is the role of the alveoli in the pulmonary system?
To facilitate the exchange of oxygen and carbon dioxide in the lungs.
Fill in the blank: The trachea is also known as the _________.
windpipe
Which muscle contracts during inhalation to expand the chest cavity?
Diaphragm
What is the process called when oxygen is taken in and carbon dioxide is released?
Respiration
What is the purpose of the cilia in the respiratory system?
To filter out foreign particles and mucus.
What is the medical term for difficulty breathing?
Dyspnea
What is the average number of breaths per minute in a healthy adult at rest?
12-20 breaths per minute
Which gas is exchanged through the alveoli during respiration?
Oxygen and carbon dioxide
What is the term for the process of breathing out air from the lungs?
Exhalation
What is the function of the bronchi in the pulmonary system?
To carry air from the trachea to the lungs.
True or False: The pulmonary system is responsible for regulating body temperature.
False
What is the primary muscle used during forced exhalation?
Abdominal muscles
Fill in the blank: The exchange of gases between the blood and tissues is known as _________.
Internal respiration
What is the purpose of surfactant in the alveoli?
To reduce surface tension and prevent alveolar collapse.
What is the term for the volume of air inhaled and exhaled during normal breathing?
Tidal volume
Which structure in the lungs is responsible for gas exchange with the blood vessels?
Alveoli
True or False: The pulmonary system is part of the cardiovascular system.
False
What is the main function of the respiratory system?
To provide oxygen to the body and remove carbon dioxide.
Fill in the blank: The process by which oxygen and nutrients are delivered to tissues and waste products are removed is called _________.
Gas exchange
Which part of the brain controls the rate and depth of breathing?
Medulla oblongata
What is the primary gas exchanged in the alveoli during respiration?
Oxygen
True or False: The pulmonary system is essential for the body’s immune defense.
True
