Psych. Ch. 3 pgs 90-94

September 27, 2024

Understanding the
Nervous and Endocrine
Systems

Multiple Choice

The nervous system can be consisdered the electrical information highway of the body

• True

• False

The Nervous System Overview

Central Nervous System (CNS)

The CNS is made up of the brain
and spinal cord.

It interprets sensory information
and formulates reactions.

The brain sends commands to
the body through the CNS.

Nervous System

Multiple Choice

The CNS is made up of the brain and

• skeletal fram

• spinal cord

• body

Multiple Choice

There is no communiction between the CNS and neurons

• True

• False

Multiple Choice

The spinal cord is responsible for reflexes

• True

• False

Somatic and Autonomic Systems

Somatic Nervous System (SNS)

•Controls external aspects of the body, including
skeletal muscles, skin, and sense organs.

• Consists mainly of motor nerves sending brain
signals for muscle contraction.

•Involves sensory division to become aware of
the world and motor division to act on the world.

Nervous System

Somatic and Autonomic Systems

Autonomic Nervous System (ANS)

•Governs internal activities, such as heart rate
and digestion, often out of conscious control.

•Divided into sympathetic and parasympathetic
systems, regulating responses to stress and
recovery.

•The sympathetic system prepares the body for
behavior, while the parasympathetic calms the
body.

Nervous System

Multiple Choice

The nervous system alone is responsible for human behavior

• True

• False