Structures
What is the primary function of the epiglottis?
To direct food and air to the correct tubes
Which part of the respiratory system is responsible for gas exchange?
Aveoli
The term "tachypnea" refers to:
Fast Breathing
The tubes that branch from the trachea into the lungs are called __________.
Bronchi
How many square feet is the average adult human’s skin?
19 feet
Which structure serves as the windpipe?
Trachea
What is the function of the nasal cavity?
To warm and humidify air
What is asthma primarily characterized by?
Inflammation and narrowing of the airways
__________ refers to the involuntary contraction of the bronchial muscles.
Bronchospam
What is the largest artery in the body?
Aorta
The primary muscle involved in breathing is the:
Diaphragm
What are the primary functions of the upper respiratory system?
To warm, humidify, and filter incoming air by trapping particles with mucus and cilia, while also providing a passageway for air to enter the body and reach the lungs
What does COPD stand? Describe the condition.
Chronic Obstructive Pulmonary Disease-a chronic condition that includes emphysema and bronchitis
What is the pleura?
Membranes that line the surfaces of the lungs
How many times does a heart beat over the course of an average human lifespan?
Over three billion times
Name the three main sections of the lower respiratory system.
Trachea, Bronchi and Lungs
Describe the role of the diaphragm in the process of breathing.
It contracts and flattens when inhaling, creating a vacuum in the chest cavity that pulls air into the lungs, and then relaxes and domes upwards during exhalation, pushing air out of the lungs; essentially acting as a pump to regulate airflow by changing the volume of the chest cavity
What is the term for the inflammation of the mucus membrane in the sinus cavity?
Sinusitis
What is pneumonia?
Infection of the lungs
Is it possible to breathe and swallow at the same time?
No
The __________ is a hollow cavity within a bone that contributes to the respiratory system.
Sinuses
What is the significance of alveoli in the respiratory system?
The primary site for gas exchange in the respiratory system, allowing oxygen to move from the lungs into the blood and carbon dioxide to move from the blood into the lungs to be exhaled
__________ is a serious bacterial infection that primarily affects the lungs.
What is the pharynx?
Passageway between the nasal cavity and the esophagus
What country has the highest life expectancy in the world?
Japan