organisation of the nervous system

Question 1

(structures of the nervous system)
brain

Answer 1

neurons enclosed in skull

Question 2

(structures of the nervous system)
Spinal cord

Answer 2

connects to brain
enclosed in spinal cavity

Question 3

(structures of the nervous system)
Nerves

Answer 3

bundles of neuronal axons
-cranial nerves emerges from brain
-spinal nerves emerges from spinal cords

Question 4

(structures of the nervous system)
Ganglia

Answer 4

groups of cell bodies outside the brain/spinal cord

Question 5

(structures of the nervous system)
Enteric plexuses

Answer 5

networks in digestive tract

Question 6

(structures of the nervous system)
Sensory receptors

Answer 6

monitor changes in internal/external environments

Question 7

(function of nerves)
Sensory receptors & afferent nerves

Answer 7

carry information to brain/spinal cord

Question 8

(function of nerves)
Inter-neurones

Answer 8

integration (information processing)
-carried by short interneurons

Question 9

(function of nerves)
motor activity-efferent (motor) nerve

Answer 9

carry signals from the brain/spinal cord to glands and muscles (effectors)

Question 10

(Nervous System Organisation)
1. Central nervous system (CNS)

Answer 10

brain
spinal cord

Question 11

(Nervous System Organisation)
2. Peripheral nervous system (PNS)

Answer 11

all nervous tissue outside the CNS

Question 12

Name the 3 Peripheral nervous system

Answer 12

Somatic nervous system (SNS)
Autonomic nervous system (ANS)
Enteric nervous system (ENS)

Question 13

(Peripheral nervous system)
Somatic nervous system (SNS)

Answer 13

sensory neurons in somatic receptors
motor neurons to skeletal muscle.

Question 14

(Peripheral nervous system)
Autonomic Nervous System (ANS)

Answer 14

sensory neurons from autonomic receptors
motor neurons to smooth muscle, cardiac muscle and glands.

Question 15

(Peripheral nervous system)
Enteric Nervous System (ENS)

Answer 15

sensory and motor neurons of the GI tract