spinal cord
structure of spinal cord
internal contains grey and white matter that forms tract. tract contain sensory or motor neurons
function of spinal cord
1.provide a two way pathway for nerve impulses to travel between the brain and the body
2.A reflex centre
3.recieves and integrates incoming and outgoing information
nerve
a hundle or axons, connective tissue and blood vessels located in PNS
Tract
a bundle of axons located in the CNS
protection of spinal cord
-Meninges and CSF
-It is wmcased within the vertebral foramen of each vertebra
-adipose tissue in epidural space
-it is deep: vertebrae are surrounded by muscle and skin