Nervous System Fundamentals

Which are part of the central nervous system (CNS)?

• brain

• spinal cord

• spinal nerves

• cranial nerves (that run mostly to the head and neck)

• peripheral nerves (that run to and from skin, muscles, glands, etc.)

What is the formal term for a nerve cell that conducts electrochemical signals through the body?

• synapse

• neurotransmitter

• neuron

• vesicle

Tags

NGSS.MS-LS1-3

What transmits the signal from one nerve cell to another?

• The nerve cells touch and the electrochemical signal just continues along

• A chemical is released from the end of a nerve cell and crosses a small space to bind onto receptors on the next nerve cell

What is the term for the chemical released from a nerve cell?

• vesicle

• synapse

• neurotransmitter

• action potential

What is the term for the space that the neurotransmitter has to cross to get to the next nerve cell?

• synapse

• terminal end fiber

• dendrite

• axon

Which is the receiving end of the nerve cell, that receives signals from other neurons?

• cell body

• terminal end fiber

• dendrite

• axon

Tags

NGSS.MS-LS1-3

Which is the long tail-like fiber of the neuron?

• dendrite

• terminal end fiber

• cell body

• axon

Which is the part of the nervous system that controls unconscious bodily functions?

• autonomic nervous system

• somatic nervous system

The sympathetic nervous system controls unconscious bodily functions involved in our:

• rest and digest functions

• fight or flight response

Tags

NGSS.HS-LS1-3

How many lobes does each side of the brain have?

• 1

• 2

• 3

• 4