The answer is that it means that the oxygen would be difficult to carry throughout the body, which happens that ATP would be lacking. Because to create energy there’s a need for respiration and it requires an oxygen. Also, other body systems will slow down because anaerobic respiration doesn't create enough ATP for the entire body.
"Pathogens would invade the body and cause disease, such as giardia" is the one among the following choices given in the question that <span>describes how polluted water sources would most likely affect one’s personal health. The correct option among all the options that are given in the question is the last option or the fourth option.</span>
B) The data will help to generate a new consensus.
Please correct me if I'm wrong!! :)