The answer is: [C]:
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"sustains life and keeps body systems in good repair."
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A bowel-obstruction or a volvulus occurs when the intestine loops and twists upon itself and the structure that is supporting it. This may lead to vomiting, bloating and blood in stool, and if left untreated may result in a bacterial blood infection that may result in hospitalization and death.
Rehabilitation is a form of therapy in which people who may have suffered are offered a second chance.
