The Nervous System Quiz
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Questions and Answers

Which structure is at work when the body deals with reflex actions?

the spinal cord

When Gretchen starts being chased by a dog, which neurons are at work?

motor neurons

When Brian touches a hot object, which body structures help him react appropriately to protect himself?

the sensory neurons, the interneurons, and the motor neurons

Which is an example of how the peripheral nervous system helps the body maintain its internal environment?

<p>Muscles contract rapidly to produce heat on a cold day.</p> Signup and view all the answers

Which is a function of the central nervous system?

<p>controlling coordination in the body</p> Signup and view all the answers

Which statement best describes the central nervous system?

<p>It is made up of the brain and the spinal cord.</p> Signup and view all the answers

The sympathetic and parasympathetic nervous systems are both part of which division of the nervous system?

<p>the autonomic nervous system</p> Signup and view all the answers

Which is a function performed by the central nervous system (CNS)? Select all that apply.

<p>Sending out information so that the body can react appropriately to stimuli</p> Signup and view all the answers

Which structure(s) are connected to the peripheral nervous system? Select all that apply.

<p>A muscle</p> Signup and view all the answers

Which of these terms are associated with communication between neurons?

<p>Neurotransmitters</p> Signup and view all the answers

Study Notes

Reflex Actions

  • The spinal cord is crucial for processing reflex actions, enabling quick responses without the delay of routing through the brain.

Motor Neurons

  • Motor neurons facilitate movement by transmitting signals from the brain to muscles, such as when fleeing from danger.

Sensory Processing

  • Sensory neurons detect stimuli (e.g., heat), interneurons process this information, and motor neurons execute the protective response.

Peripheral Nervous System Functionality

  • The peripheral nervous system helps regulate the body's internal environment, such as stimulating rapid muscle contractions to generate heat during cold weather.

Central Nervous System (CNS)

  • The central nervous system, consisting of the brain and spinal cord, plays a vital role in coordinating body functions and reactions.

Structure of the CNS

  • Central nervous system encompasses both the brain and spinal cord, serving as the main control center for body activities.

Autonomic Nervous System

  • Both the sympathetic and parasympathetic nervous systems are components of the autonomic nervous system, responsible for regulating involuntary body functions.

Functions of the Central Nervous System

  • CNS processes sensory information, coordinates reflexes, responds to stimuli, and sends signals to elicit appropriate physiological reactions.

Peripheral Nervous System Connections

  • The peripheral nervous system connects to various structures, including sense organs, muscles, and glands, aiding in communication with the central nervous system.

Neuronal Communication

  • Communication between neurons is facilitated by chemical signals, neurotransmitters, and synapses, allowing for effective transmission of information.

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Description

Test your knowledge on the nervous system with this quiz. Explore concepts such as reflex actions, motor neurons, and sensory neurons through flashcards. Perfect for students looking to revise key components of human physiology.

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