Nervous System Basics

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 "fight or flight" response during threatening situations in the role of the:

• sympathetic nervous system
• parasympathetic system
• somatic nervous system
• cerebellum

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

The _____part of the autonomic nervous system is active during resting.

• sympathetic
• parasympathetic
• somatic
• peripheral

Part of the peripheral that controls conscious activities

• autonomic
• somatic
• sympathetic
• parasympathetic

The job of the somatic nervous system is to control breathing and the respiratory system.

• True
• False

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

• axons
• sensory receptors
• spinal cord
• motor neurons