ritika was hit by a football on her head but did not suffer from any serious injury explain the reason in 30-40 words
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The brain is protected by the bones of the skull and by a covering of three thin membranes called meninges. The brain is also cushioned and protected by cerebrospinal fluid. This watery fluid is produced by special cells in the four hollow spaces in the brain, called ventricles. ... These bones protect the spinal cord.
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