The Nervous System

By: Adrian Jae C. Salaya

What is Nervous System?

Do you k

now what

are the

functio

ns of

nervous

system i

n our bo

dy?

What is Nervous System?

Nervous system is the chief controlling andcoordinating system of the body. It controls and regulates all activities of the body, whether voluntary or involuntary, and adjusts the individual (organism) to the given surroundings

What is Nervous System?

Parts of Nervous System

Parts of Nervous System

The nervous system is broadly divided into two parts.

The nervous system is broadly divided into two parts.

Parts of Nervous System

1.) Central Nervous System (CNS)2.) Peripheral Nervous System (PNS)

Central Nervous System (CNS)

Central Nervous System (CNS)

Central Nervous System (CNS)•Brain or encephalon, which occupies cranial cavity, and contains the higher governing centers.

Brain or encephalon, which occupies cranial cavity,

and contains the higher governing centers.

Brain or encephalon, which occupies cranial cavity,

and contains the higher governing centers.

Central Nervous System (CNS)

Spinal cord or spinal medulla, which occupies upper

two-thirds of the vertebral canal, and contains

many reflex centers.

Peripheral Nervous System (PNS)

Peripheral Nervous System (PNS)

Peripheral Nervous System (PNS)Cerebrospinal nervous system The portion

of the nervous system in vertebrates comprising the brain, cranial nerves, spinal cord, and the spinal nerves concerned with transmission of impulses from sense organsto the voluntary muscles.

Peripheral Nervous System (PNS)Cerebrospinal nervous system The portion

of the nervous system in vertebrates comprising the brain, cranial nerves, spinal cord, and the spinal nerves concerned with transmission of impulses from sense organsto the voluntary muscles.

Peripheral autonomic nervous system affects heart rate, digestions, respiratory rate, salivation, perspiration, papillary, dilation, urination, and sexual arousal.

THE END..

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H a p p y D A Y

@A d r I a nS a l a y a