central nervous system

Question 1

what are the two main organs of the CNS

Answer 1

brain
spinal cord

Question 2

describe the process of information passing through the CNS

Answer 2

nerves send information to the brain via the spinal cord
the spinal cord receives information from the skin, joints and muscles
the brain receives information from the senses via the spinal cord
the brain processes the information and sends a message to the body via the spinal cord
the brain uses the information to react, remember, think and plan

Question 3

function of the brain with example

Answer 3

receive and processes information from the sense eg visual cortex processes visual information
higher mental function
conscious awareness
initiates a response
stores memories
generates emotion and thoughts

Question 4

function of the spinal cord with examples

Answer 4

conducts signals to and from the brain
controls reflex actions eg removing a hand when it touches a hot kettle