60 Questions
What happens to the diaphragm during inhalation?
It contracts and moves downward
What is the primary function of the alveoli?
To facilitate gaseous exchange
What is the by-product of cellular respiration?
Carbon dioxide and water
What is the common symptom of asthma?
Wheezing, coughing, and shortness of breath
What is the primary cause of lung cancer?
Smoking and exposure to radon gas
What is bronchitis?
Inflammation of the lining of the bronchial tubes
What is the primary symptom of pneumonia?
All of the above
What is tuberculosis?
A bacterium that affects the lungs and other organs
What is the best way to protect the respiratory system?
Regular exercise and avoiding smoking
What is the importance of understanding the respiratory system?
To maintain respiratory health and overall well-being
What is the primary function of the respiratory system?
To supply oxygen to the body's cells and remove carbon dioxide
What is the function of the nasal cavity?
To filter and trap dust and pathogens
What is the purpose of the pharynx?
To connect the nasal cavity and mouth to the larynx and esophagus
What is the trachea supported by?
C-shaped rings of cartilage
What is the function of the bronchi?
To distribute air throughout the lungs
What is the main function of the alveoli?
To facilitate the diffusion of oxygen into the blood and carbon dioxide out of the blood
What is the diaphragm's role in breathing?
To contract and relax to change the volume of the thoracic cavity
What is the thoracic cavity?
The space where the lungs are located
What is the purpose of the cilia in the respiratory system?
To trap and expel foreign particles
What is the primary function of the lungs?
To exchange oxygen and carbon dioxide
What happens to the air in the nasal cavity?
It is warmed, moistened, and filtered
What is the shape of the rings of cartilage in the trachea?
C-shaped
What is the structure that resembles an inverted tree in the lungs?
Bronchioles
Where does gas exchange occur in the lungs?
In the alveoli surrounded by capillaries
What is the role of the mucus and cilia in the trachea?
To trap and expel foreign particles
During exhalation, what happens to the rib cage?
It contracts
What is the location of the lungs in the body?
In the thoracic cavity
What is the role of the intercostal muscles during inhalation?
They contract
Where does gaseous exchange occur in the body?
In the lungs and body tissues
What is the function of the diaphragm?
To change the volume of the thoracic cavity
What is the passageway for both air and food?
Pharynx
What is the energy currency of cells?
ATP
What is a common trigger of asthma attacks?
Exercise
What is the outcome of the exchange of gases in the alveoli?
Oxygen is added to the blood and carbon dioxide is removed
What is the primary role of the bronchi?
To distribute air to the lungs
What is the primary cause of lung cancer?
Smoking and radon gas
What is the primary symptom of bronchitis?
Coughing
What is the primary cause of TB?
Bacterial infection
What is the importance of understanding the respiratory system?
To maintain overall health and well-being
What can help protect the respiratory system?
Regular exercise and good hygiene
What increases the volume of the thoracic cavity during inhalation?
Contraction of the intercostal muscles
What is the site of gaseous exchange in the body?
Alveoli and capillaries
What is the outcome of cellular respiration?
Production of ATP, carbon dioxide, and water
What is the primary cause of lung cancer?
Smoking and exposure to radon gas
What is the characteristic of asthma?
Inflammation and narrowing of the airways
What is the role of the intercostal muscles during exhalation?
Relaxation and contraction of the rib cage
What is the site of cellular respiration?
Mitochondria
What is the primary symptom of bronchitis?
Persistent coughing
What is the infectious agent of tuberculosis?
Bacterium
What is the outcome of gas exchange in the alveoli?
Oxygen diffuses into the capillaries and carbon dioxide diffuses out
What is the primary purpose of the C-shaped rings of cartilage in the trachea?
To keep the trachea open
What is the role of the bronchioles in the lungs?
To distribute air throughout the lungs
What is the function of the mucus and cilia in the nasal cavity?
To filter the air entering the lungs
What is the result of gas exchange in the alveoli?
Oxygen is added to the blood and carbon dioxide is removed
What is the function of the pharynx in the respiratory system?
To serve as a passageway for both air and food
What is the role of the diaphragm in breathing?
To contract and relax to change the volume of the thoracic cavity
What is the location of the alveoli in the lungs?
At the end of the bronchioles
What is the primary function of the lungs?
To supply oxygen to the body's cells and remove carbon dioxide
What is the role of the nasal cavity in the respiratory system?
To warm and moisten the air entering the lungs
What is the function of the bronchi in the respiratory system?
To distribute air to the lungs
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