Social Studies

Kayley Campbell

18 July, 19:20

Lexa has the following symptoms of a cold:• Coughing• Sneezing• Headache• Sore throat Which describes how Lexa contracted this cold?

A. Lexa walked barefoot in soil containing a parasitic worm. The worm imbedded itself in her skin and sent toxin throughout her body.

B. Lexa ate food with a fungus in it, which traveled to major organs in her body.

C. Lexa touched an object covered with a bacterium. The bacterium penetrated her skin and traveled to her lungs through her blood system.

D. Lexa inhaled a virus, which traveled to respiratory tissue and interfered with normal breathing function.