The following table shows the symptoms in four patients. Each patient suffers from a different disease.
Patient Disease Cause Symptom
A Tuberculosis Bacteria Difficulty breathing, coughing
B Polio Virus Paralysis
C Food poisoning Bacteria Stomach cramps, loose stools
D Cystic Fibrosis Hereditary Mucus build up in the lungs
Which patient's respiratory system is affected by an infectious agent?
A
B
C
D
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The following table shows the symptoms in four patients. Each patient suffers from a different disea...
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