The Nervous System

Question 1

CNS

Answer 1

Brain
spinal cord
Manager of behaviour

Question 2

PNS

Answer 2

nerves and receptors

Question 3

Somatic NS

Answer 3

in CNS
function: input to sensory and output from motor brain

Question 4

Autonomic NS

Answer 4

from heart, muscles, glands to brain
then motor neurone take info to vital organs
function: body regulation

Question 5

SNS

Answer 5

ANS
increase in HR

Question 6

PNS

Answer 6

Decrease in HR
sends blood to ENS

Question 7

Neurons

Answer 7

Receive, process, and transmit electrochemical messages

Question 8

Neuroglia

Answer 8

help neurons and they make up half of cell volume in the CNS

Question 9

Neuron Structure

Answer 9

dendrites (input) attached onto Cell body
axons(output) on other side

Question 10

Interneurons

Answer 10

Modulatory neurons - brain and spinal cord

Question 11

Multipolar

Answer 11

several dendrites and 1 axon

Question 12

Bipolar

Answer 12

1 main dendrite and 1 axon
in retina, ear

Question 13

unipolar

Answer 13

1 process that branches out (pseudo unipolar)

Question 14

Sensory Neurons

Answer 14

Afferent neurons
carry action potentials into the CNS through cranial/spinal nerves

Question 15

Motor Neurons

Answer 15

Efferent neurons
AP away from the CNS to effectors