1) In cases of gastrointestinal illness, is this bacteria more likely to infect the upper or lower gastrointestinal system? Explain why this happens.
2) The GI system is exposed to bacteria through the items we eat and drink. Describe two nonspecific defenses the GI system uses to prevent most infections
3) Look up the topic Hemolytic Uremic Syndrome". Explain, in your own words, how bacteria cause this illness and what systems are most impacted.