Protection of The Brain
The brain and spinal cord are covered by a series of tough membranes called meninges, which protect these organs from rubbing against the bones of the skull and spine. The cerebrospinal fluid within the skull and spine is found between the pia mater and the Arachnoid and provides further cushioning.
The Cerebrospinal Fluid that is produced in the ventricular system has three main purposes: buoyancy, protection, and chemical stability. The protection purpose comes into play with the meninges: pia mater, and the Arachnoid layer. The CSF is there to protect the brain from striking the cranium when the head is jolted. CSF provided buoyancy and support to the brain against gravity. The buoyancy protects the brain since the brain and CSF are similar in density; this makes the brain float in neutral buoyancy, suspended in the CSF. This allows the brain to attain a decent size and weight without resting on the floor of the cranium, which would kill nervous tissue.
Read more about this topic: Ventricular System
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“Take away from the courts, if it could be taken away, the power to issue injunctions in labor disputes, and it would create a privileged class among the laborers and save the lawless among their number from a most needful remedy available to all men for the protection of their business interests against unlawful invasion.... The secondary boycott is an instrument of tyranny, and ought not to be made legitimate.”
—William Howard Taft (1857–1930)
“The diversity in the faculties of men, from which the rights of property originate, is not less an insuperable obstacle to a uniformity of interests. The protection of these faculties is the first object of government.”
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—Elizabeth Bowen (1899–1973)