Nervous System SJA

What is the main function of the nervous system?

• to inhale oxygen and exhale carbon dioxide

• to break down food consumed by a person for nutrients

• to control the body's activities by relaying messages

• to control the body's movements

What are the two divisions of the nervous system?

• Central and Lower nervous systems

• Central and Peripheral nervous systems

• Lower and Cerebral nervous systems

• Central and Muscular nervous systems

Dendrites are part of a neuron that carries electrical signals _______ the cell body.

• to

• away from

• in between

Axons are part of a neuron that send electrical signals ________ the cell body

• to

• away from

• in between

True or False: the cell body of a neuron has a nucleus.

• True

• False

The space between an axon of a neuron that is communicating with a dendrite of another neuron is called a ________________.

• Neuron

• Brain message

• Stimulus

• Synapse

Senses recognize ____________ which are recognized by the brain and results in a response.

• Synapses

• Brain messages

• Stimuli (plural of stimulus)

• Cerebrums

Tags

NGSS.MS-LS1-8

Special chemicals which allow the impulse to jump across the synapse to pass to another neuron:

• neurotransmitters

• schwann cells

• myelin sheath

• nerves

The cerebellum is labeled as #...

• 1

• 2

• 3

The brain stem/medulla is labeled as #...

• 1

• 2

• 3