Nervous system

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

When the spinal cord responds in an emergency to a stimulus before the brain, this is called a...

• response

• synapse

• cerebral response

• reflex

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

• brain & spinal cord
• sensory neurons
• motor neurons
• sensory receptors

The part of the nervous system that consists of nerves that branch out from the CNS (central nervous system) and connect to other body parts

• Sympathetic
• Parasympathetic
• Autonomic
• Peripheral

What is NOT part of the peripheral nervous system (PNS)?

• axons
• sensory receptors
• spinal cord
• motor neurons

The part of the neuron that takes in and receives messages is called the _____

• dendrite
• nucleus
• axon
• synapse

The part of the neuron that passes the message along is called the _____

• axon
• dendrite
• nucleus
• synapse

The only 2 parts of the body that are included in the central nervous system are the _____ and _____

• brain and spinal cord
• brain and backbone
• spinal cord and eyes
• brain and eyes

Cells in the nervous system that relay impulses from one cell to another

• neuroglia

• neurons

• astrocytes

• Sattelite cells