Nervous System Anatomy MT

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

A nerve cell is called a:

• neutron

• nerve

• neuron

• synapse

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

• to

• away

• 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

What is the central nervous system (CNS) made of?

• brain and spinal cord
• brain and cranial nerves
• spinal cord and spinal nerves
• cranial nerves and spinal nerves

a signal molecule that transmits nerve impulses across synapses

• neuron
• neurotransmitter
• nerve
• action potential

part of a neuron that receives information from other neurons

• axon
• dendrites
• myelin sheath
• synapse

Location at which a neuron can transfer an impulse to another cell with the use of neurotransmitters is called __________.

• myelin sheath
• axon
• threshold
• synapse