Nervous System #2

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

What are the three parts of the nervous system?

• brain, spinal cord, nerves

• brain, lungs, spinal cord

• heart, brain, nerves

• brain, nerves, neurons

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

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

• to

• away from

• in between

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 bone protects your brain?

• Skull
• Cerebellum
• Cerbrum
• Deltoids

What are the main two parts of the central nervous system?

• Brain and Skull
• Brain and Spinal Cord
• Spinal Cord and Nerves
• Nerve Cells and Nerve Endings

Why is your spinal cord important?

• Because it holds our spine together

• Because all communication needs to travel through the spinal cord, towards and away from the brain.

• Because it controls our senses

• It's not