section 1. (6) outline the role of the nervous system in detecting and responding to environmental changes

Question 1

What is the function of the nervous system?

Answer 1

coordination- detects information about the organisms internal and external environment, transmits the information to the control centre to generate a response

Question 2

what are the two parts of the nervous system?

Answer 2

1. the CNS (central nervous system)

2. the PNS (peripheral nervous system)

Question 3

what is the CNS?

Answer 3

the CNS consists of the brain and spinal chord. It receives and processes information and coordinates responses

Question 4

what is the PNS?

Answer 4

consists of the nerves and the ganglia surrounding the brain. it transmits information between the CNS and the interneurons/ effectors.

Question 5

What do receptors do?

Answer 5

Detect changes and transmit information about them in the form of electrochemical nerve impulses tot eh CNS via sensory neurons

Question 6

what does the CNS do with the information gathered from the receptors?

Answer 6

• processes and transfers to effectors

- stimulates effector response