Which of the following describes how polluted water sources would most likely affect one’s personal health?
answer
bacteria would enter the body and inhibit a specific immune response.
microorganisms would release histamine, causing inflammation and swelling.
infectious agents would prevent the immune system from producing lymphocytes.
pathogens would invade the body and cause disease, such as giardia.

Pathogens would invade the body and cause disease, such as giardia.

Explanation:

The water body get polluted by the disposal of biological and non-biological wastes liberated by the human society so as to get rid of those wastes. The biological wastes includes the slurry of sewage which mainly includes the human and animal fecal matter which includes the pathogens which colonize and deteriorates the quality of water.

If the water from such water body if taken for the purpose of drinking, cooking and other crucial activities will likely to introduce the pathogens into the human body which invade the human immune system and can cause deadly diseases such as giardia.

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