Place the terms in the appropriate blanks to complete the sentences. ResetHelp blood fresh water lowest crabs beavers humans highest salt water intestines Giardia are parasites of Blank and Blank.target 1 of 6target 2 of 6 Giardia live in the Blank of their hosts, not in the host's Blank.target 3 of 6target 4 of 6 When a beaver defecates in its habitat, Giardia are released into Blank.target 5 of 6 The Blank density of Giardia occurs in fresh water, and humans can be infected with Giardia when they come into contact with untreated water or food.