Which organ system is the xylem and phloem of the plant part of?

igneous rocks are formed by solidification of cooled magma (molten rock), with or without crystallization, either below the surface as intrusive (plutonic) rocks or on the surface as extrusive (volcanic) rocks.  

the composition depends on the source magma. there are almost a thousand types of composition found till now.  

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answer; the code in musculoskeletal system subsection is associated with deep tissue possibly to the bone;

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