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The Nervous System

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Questions and Answers

Which part of the nervous system is responsible for coordinating actions and sensory information?

Sensory nerves

Peripheral nervous system (PNS)

Motor nerves

Central nervous system (CNS) (correct)

What is the main function of the peripheral nervous system (PNS)?

Responding to environmental changes

Detecting environmental changes

Connecting the CNS to every other part of the body (correct)

Transmitting signals to and from different parts of the body

What are the two main parts of the nervous system in vertebrates?

Brain and spinal cord

Spinal nerves and efferent nerves

Motor nerves and sensory nerves

Central nervous system (CNS) and peripheral nervous system (PNS) (correct)

What are nerves in the peripheral nervous system (PNS) mainly composed of?

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

What is the function of sensory nerves in the nervous system?

<p>Detecting environmental changes</p> Signup and view all the answers

Study Notes

Nervous System Overview

The central nervous system (CNS) is responsible for coordinating actions and sensory information.

Peripheral Nervous System (PNS)

The main function of the PNS is to connect the CNS to the rest of the body, transmitting and receiving information.
The PNS has two main parts: the somatic nervous system (SNS) and the autonomic nervous system (ANS).

Composition of Nerves in PNS

Nerves in the PNS are mainly composed of axons, which are long, slender extensions of neurons.

Function of Sensory Nerves

Sensory nerves in the nervous system are responsible for transmitting information from sensory receptors to the CNS, allowing us to perceive and respond to the world around us.

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Description

Quiz: Test your knowledge of the Nervous System's Functions and Evolution Discover how well you understand the functions and evolution of the nervous system in animals with this informative quiz. Explore topics such as signal transmission, coordination of actions, and the relationship between the nervous and endocrine systems. Challenge yourself and expand your knowledge of this highly complex biological system.