What is the name of the air-filled cavity in the head that filters and moistens the air coming into the body?
The larynx and the pharynx are both
The two air-filled organs in the chest are called
Which of the following are conditions of the upper respiratory system?
Sinusitis occurs when the sinuses
Which of the following conditions affect the lower respiratory system?
Asthma can be aggravated by
Which of the following is a bacterial infection in the lungs?
Lionel has pain in the chest, shortness of breath, and wheezing. What kind of problem does he have?
Which of the following are precautions that would help someone avoid pollen?
Washing your hands is an example of
The alveoli
What are most upper respiratory illnesses caused by?
Inflammation is the body’s response to injury or
What causes emphysema?
Which of these conditions commonly follows another illness?
Cystic fibrosis is caused by
Which of the following are treatments sometimes used for lower respiratory conditions?
Which of these substances are always harmful to the respiratory system?
What is the benefit of keeping the immune system strong?
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