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Why is injury to the medulla oblongata frequently fatal?
Crustaceans
A diverse group of aquatic animals within the arthropod phylum including crabs, lobsters, crayfish, shrimp, and barnacles, characterized by a hard exoskeleton and jointed limbs.
Gravity
The natural force of attraction exerted by a celestial body (such as Earth) on objects that are on or near its surface, drawing them toward the center of the body.
Mandibles
The lower jaws or jawbones of vertebrates, or the pair of mouthparts in arthropods used for biting and grinding food.
Gills
Respiratory organs found in many aquatic organisms, allowing for the exchange of oxygen and carbon dioxide with water.
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