nervous system

Question 1

Central nervous system (CNS)

Answer 1

Brain and spinal cord; the central command for all communication and actions of the body

Question 2

peripheral nervous system (PNS)

Answer 2

all of the nerves that branch out to the rest of the body and ganglia; allows the signals sent by the brain to reach their target destination in the body.

Question 3

axons

Answer 3

a nerve fiber that carries a nerve impulse away from the neuron cell body

Question 4

dendrites

Answer 4

Where neurotransmitters and received. nerve fibers that carry a nerve impulse towards the neuron cell body

Question 5

synapse

Answer 5

space between the neurons where neurotransmitters are passed to other neurons, muscles, or glands.

Question 6

sensory (afferent) neurons

Answer 6

send messages to the CNS

Question 7

motor (efferent) neurons

Answer 7

send messages to muscles and can be subdivided into the autonomic (involuntary) nervous system and the somatic (voluntary) nervous system.

Question 8

autonomic nervous system (ANS)

Answer 8

controls involuntary actions involving cardiac and smooth muscle, such as heart rhythm, digestion, and breathing.

Question 9

somatic nervous system (SNS)

Answer 9

controls voluntary actions involving skeletal muscle, such as deliberate actions like walking, throwing, or typing.