The Nervous System

Question 1

Nervous System

Answer 1

Communication network within the body

Question 2

Central Nervous System (CNS)

Answer 2

Brain and spinal cord; coordinates activity in the body

Question 3

Peripheral Nervous System (PNS)

Answer 3

Nerves connecting the CNS to the rest of the body and environment

Question 4

Somatic

Answer 4

Part of Peripheral Nervous System. Serves outer areas of the body and skeletal muscle; voluntary

Question 5

Autonomic

Answer 5

Part of peripheral nervous system. Involuntary systems (e.g. heart, digestion)

Question 6

Parasympathetic

Answer 6

Autonomic: Decreases activation during rest and recovery

Question 7

Sympathetic

Answer 7

Autonomic: Increases activation to prep for activity

Question 8

Neuron

Answer 8

Functional unit of the nervous system

Question 9

Motor (efferent) neurons

Answer 9

Transmit nerve impulses from CNS to effector sites

Question 10

Sensory (afferent) neurons

Answer 10

Respond to stimuli; transmit nerve impulses from effector sites to CNS

Question 11

Mechanoreceptors

Answer 11

Sense distortion in body tissues

Question 12

Joint receptors

Answer 12

Respond to pressure, acceleration, and deceleration of joints

Question 13

Golgi tendon organs (GTO)

Answer 13

Sense changes in muscular tension

Question 14

Muscle spindles

Answer 14

Sense changes in muscle length