Topics: Respiratory System Quiz
What is the dome-shaped muscle beneath the lungs that helps us breathe.
A. diagram
B. dialysis
C. diaghragm
D. diorama
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Which of the following refers to a condition in which your airways narrow and swell and may produce extra mucus?
A. Asthma
B. Bronchitis
C. Emphysema
D. Sinusitis