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I HUMAN EVAN TYSON: EVAN TYSON IS A 65-YEAR-OLD RETIRED MILITARYMALE WHOCOMPLAINS OF FATIGUE
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I HUMAN EVAN TYSON: EVAN TYSON IS A 65-YEAR-OLD RETIRED MILITARYMALE WHOCOMPLAINS OF FATIGUE
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BIOD 152 A|P ALLPORTAGE QUESTIONS
AND ANSWERS A
GRADED DOWNLOAD
TO SCORE A
BIOD152
,Intro to the Nervous System
Notice: To optimize your learning in this course, we advise that you complete the labs and
modules as indicated in the
The nervous system receives and processes information and sends out signals to the muscles and
glands to elicit an appropriate response. In this way, the nervous system integrates and controls
the other systems of the body.
In the human nervous system, the central nervous system (Figure below) includes the brain andhe
spinal cord (dorsal nerve cord), which lie in the midline of the body.
,The skull protects the brain and the vertebrae protect the spinal cord. The central nervous system
can send signals or impulses to and receive impulses from the peripheral nervous system. The
peripheral nervous system includes all nerves not in the brain or spinal cord which are the cranial
nerves that connect directly to the brain and the spinal nerves which project from either side of
the spinal cord. The peripheral nervous system connects all parts of the body to the central
nervous system and can be divided into a sensory or afferent division and a motor or efferent
division. The peripheral nervous system receives impulses from the sensory organs via the
afferent division and then relays signals or impulses from the central nervous system to muscles
, and glands via the motor or efferent division. The efferent division can be further divided into the
somatic system and the autonomic system. The somatic system nerves control skeletal muscles,
skin, and joints. The autonomic system nerves control the glands and smooth muscles of the
internal organs and are not generally under conscious control and can be divided into two
systems: the sympathetic system which activates and prepares the body for vigorous muscular
activity, stress, and emergencies and the parasympathetic system which lowers activity, operates
during normal situations, permits digestion, and conserves energy.
Problem Set 1:
1. The function of the nervous system is to integrate and control the other body systems. Explain
how the nervous system does this.
the nervous system is divided into the central and peripheral nervous system. Within the
peripheral nervous system there is the autonomic system which communicated with smooth
muscle and internal organs and glands. Also in the peripheral system is somatic system which
communicates with sense organs and voluntary muscles.
2. List the 2 parts of the central nervous system.
Brain and spinal cord
3. How are the parts of the central nervous system protected?
brain and the vertebrae
4. How do the central nervous system and the peripheral nervous system interact?
through signals and impulses
5. What is included in the peripheral nervous system?
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