the brain,spinal cord and nerves are composed of _________
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The spinal cord is a thick column of nerves surrounded by vertebrae that runs from the brain stem to the lumbar region of the spine. Like the brain, the spinal cord has both grey and white matter. The spinal cord sends information between the brain and most of the body through the spinal nerves.
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In mathematics, a matrix is a rectangular array or table of numbers, symbols, or expressions, arranged in rows and columns, which is used to represent a mathematical object or a property of such an object.
This tutorial is divided into 6 parts to cover the main types of matrices; they are:
Square Matrix.
Symmetric Matrix.
Triangular Matrix.
Diagonal Matrix.
Identity Matrix.
Orthogonal Matrix
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