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Solve the system by substitution, if possible.
Lymphatic Nodules
Small, localized clusters of dense tissue within the lymphatic system that are important for immune responses.
Small Intestine
A part of the gastrointestinal tract between the stomach and large intestine that is involved in digestion and absorption of nutrients.
Skeletal Muscle
A type of striated muscle tissue that is attached to bones and is responsible for voluntary movements in the body.
Smooth Muscle
Involuntary, non-striated muscle found in walls of internal organs and blood vessels, controlling their movements and flow.
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