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.