How is the brain protected against physical damage and infection?

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.

What protects the brain from infection?

The central nervous system (CNS) is protected from pathogens both by a three-membrane barrier called the meninges and by immune cells within those membranes. The CNS is also walled off from the rest of the body by specialized blood vessels that are tightly sealed by the blood brain barrier.

How is the brain protected from injury and shock?

The brain, master organ of the body is protected by the hard bony covering called as skull or cranium and also it has three thin membranes known as meninges. The cerebrospinal fluid (CSF) is present between the meninges and brain which acts as a shock absorber and thus helps in the protection of the brain.

Why is it difficult to treat brain infections?

The brain also is protected by a physical and biochemical wall called the blood-brain barrier that blocks toxins from reaching brain cells. These defenses, in particular the blood-brain barrier, also make it more difficult to treat disease of the brain, including cancer.

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Can you live with a brain infection?

Brain infections are serious and can be life-threatening.

What is between the skull and brain?

Between the skull and brain is the meninges, which consist of three layers of tissue that cover and protect the brain and spinal cord. From the outermost layer inward they are: the dura mater, arachnoid and pia mater. … Arachnoid: The second layer of the meninges is the arachnoid.

Why does your skull not protect your brain?

The brain probably moves very little inside the skull — there are only a few millimeters of space in the cranial vault — and it’s filled with cerebrospinal fluid, which acts as a protective layer.

What are 3 ways to keep your nervous system healthy?

Follow the prevention guidelines below to keep your body and nervous system healthy:

  • Exercise regularly. …
  • Do not smoke or use other tobacco products. …
  • Get plenty of rest.
  • Take care of health conditions that may cause decreased nervous system functioning, such as: …
  • Eat a balanced diet.