ch6: nervous system

Question 1

brain

Answer 1

coordinates most body activates and is the control center for the body as well as thought, emotion, and judgment . the brain is divided into four lobes.

Question 2

spinal cord

Answer 2

provides a pathway for nerve impulses travelling to and from the brain and extends from the base of the brain to the lumbar vertebrae

Question 3

peripheral nerves

Answer 3

includes 12 cranial nerves and 31 pairs of spinal nerves branching off the spinal cord

Question 4

neuron

Answer 4

functional unit of the nervous system

Question 5

dendrites

Answer 5

has multiple branching structures

Question 6

nucleus

Answer 6

directs cellular activates

Question 7

cytoplasm

Answer 7

produces neurotransmitters and energy for the neuron

Question 8

axon

Answer 8

stores neurotransmitters