Nervous System

____________________ is a short branched extension of a neuron that receives impulses from other neurons. (labeled #1)

• axon

• dendrite

• cell body

• nucleus

Tags

NGSS.MS-LS1-2

____________________ is the space between two neurons.

• nerve space

• synapse

• cell body

• neurology

____________________ is a long cell fiber in the nervous system that transfers messages (labeled #4).

• cell body

• nucleus

• dendrite

• axon

Tags

NGSS.MS-LS1-3

Messages transfer ________________ across the neuron.

• Chemically

• Electrically

Messages transfer ________________ across the synapse.

• Chemically

• Electrically

________________ are quick involuntary actions to a stimulus like a hot iron.

• burns

• brain waves

• stimuli

• reflexes

Tags

NGSS.MS-LS1-8

Injuries to the spinal cord are so serious because ___________ cannot be replaced.

• muscle cells

• bone cells

• skin cells

• brain cells

Tags

NGSS.MS-LS1-3

The CNS (central nervous system) is made up of the _______________ & ___________________.

• brain and nerves

• brain and spinal cord

• nerves and spinal cord

• spinal cord and vertebrae

The ________________ make(s) up the peripheral nervous system.

• brain

• nerves

• spinal cord

• brain and spinal cord

___________________ is the part of the brain responsible for reasoning, and use of the senses.

• cerebrum

• cerebellum

• brain stem

• hypothalamus