Intravenously

Intravenously refers to the administration of a substance directly into a vein. In the context of space and astronautical engineering, intravenous administration of fluids and medications is a common medical practice for astronauts during spaceflight. Due to the effects of microgravity on the human body, astronauts may experience fluid shifts and changes in blood volume, which can lead to dehydration and other medical issues. Intravenous administration allows for rapid and efficient delivery of fluids and medications to address these issues. Additionally, intravenous administration may be necessary for emergency medical treatment in the event of an injury or illness during spaceflight.
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