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Control and Co-ordination — BIOLOGY STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceBIOLOGYControl and Co-ordination4 Marks
Question
Give functions : Meninges and CSF.
✓

Answer

Functions of meninges:
  1. Meninges give protection to the brain and the spinal cord.
  2. They are also nutritive in function.
  3. Cerebrospinal fluid acts as a shock absorber. It protects the brain from mechanical injuries and from desiccation.
  4. It also maintains constant pressure inside and outside the CNS and regulates the temperature.
Functions of CSF:
  1. CSF helps in exchange of nutrients and wastes between the blood and the brain tissue.
  2. CSF supplies oxygen to the brain.

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