When a patient with severe dehydration or blood loss is admitted to a hospital, the nurse will give the patient large volumes of fluid. Using your knowledge of tonicity, explain why a hypotonic solution should be given intravenously to rehydrate the tissues of an extremely dehydrated patient.
Dynein is missing from the cilia and flagella of individuals with a specific inherited disorder. These individuals have severe respiratory problems and, if males, are sterile. What is the structural connection between these two symptoms?
Fresh water is a precious natural resource in Florida and it is said that supplies are dwindling. Desalinizing (removing salt from) ocean water has been recommended as a solution to the problem. Why shouldn’t we drink salt water?
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