Glial cells.

Question 1

Where is the CNS located

Answer 1

It’s in the brain and spinal cord

Question 2

Name the 5 main function of the support cells

Answer 2

1) surround and protect the cell
2) Control the supply of nutrients BBB
3) Insulate the neuron ()
4) Chemicals exchanges
5) Housekeep (destroy and dispose).

Question 3

Name and explain the four roles of the astrocytes

Answer 3

They do everything exceot insulation.

1) provide physical support (they also reach other neurons)
2) Housekeeping : phagocytosis, glial scarring : the glial cells become a barrier to protect themselves from inflammation.
3) exchange chemicals to maintain homeostasis.
4) Feed neuron : Blood brain barrier.

Question 4

Name and explain the only function of microglia

Answer 4

1) First line of defense of immune system
2) white blood cells : protectors of the CNS
3) Helps CNS to be in shape

Question 5

Name and explain the only role of the oligodendrocytes

Answer 5

they produce myelin sheath

Question 6

what is the schwann cells and its role

Answer 6

form myelin sheath like oligodendrocytes except it’s in the PNS