Nervous System- functions, divisions

Question 1

2 Functions of Nervous System

Answer 1

1. ) Orientation of the body to INTERNAL (visceral) and EXTERNAL (somatic) environments; sensing
2. ) Coordination and control of body activities; motor
   * Sensing the outside world (orientation) then decide what to do about it (motor)

Question 2

Sensory

Answer 2

monitors changes (stimuli) inside and outside the body (energy forms)

Question 3

Integrative

Answer 3

interprets the changes; (“integration”)

Question 4

Motor

Answer 4

controls responses by activating muscles and glands

Question 5

2 Anatomic Divisions

Answer 5

1. ) Central Nervous System (C.N.S.)

2. ) Peripheral Nervous System (P.N.S.)

Question 6

Central Nervous System- location and what it is made up of:

Answer 6

• in dorsal body cavity: cranial vault and vertebral canal
• made up of: Brain (computer) and Spinal Cord (cord to computer) and 90% of neurons are in C.N.S.
• Brain- integrates and coordinates sensory data and motor commands; learning, memory, intelligence, reasoning, personality

Question 7

Peripheral Nervous System- location and what it is made up of:

Answer 7

• nervous tissue outside the C.N.S.
• conveys info. to and from the C.N.S.
• made up of: receptors, some neurons, nerves, ganglia, plexus