Question

Which of the following describes how polluted water sources would most likely affect one’s personal health?

Microorganisms would release histamine, causing inflammation and swelling.

Bacteria would enter the body and inhibit a specific immune response.

Infectious agents would prevent the immune system from producing lymphocytes.

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

Answer 1

D

Answer 2

Giardia is a genus of anaerobic flagellated protozoan parasites of the phylum Sarcomastigophora that colonise and reproduce in the small intestines of several vertebrates, causing giardiasis.

Answer 3

hey ab