Anatomy and Physiology 11 & 12

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1

Information gathered by sensory receptors about internal and external changes?

Sensory input

2

Processing and interpretation of sensory input?

Integration

3

Activation of effector organs which produces a response?

motor output

4

What are the effector organs?

muscles and glands

5

What is comprised of the brain and spinal cord, and is the integration and control center?

Central Nervous System CNS

6

What system interprets sensory input and dictates motor output?

Central Nervous System CNS

7

What portion of the nervous system consists mainly of nerves?

Peripheral Nervous system

8

What types of nerves make up the PNS

31

9

How many cranial nerves are in the PNS?

12

10

What are the function divisions of the PNS?

sensory and motor

11

Which division of the PNS is afferent?

sensory

12

Which division of the PNS is efferent?

motor

13

Which fibers in the PNS sensory (afferent) division convey impulses from skin, skeletal muscles, and joints to the CNS?

somatic sensory fibers

14

What fibers in the PNS sensory (afferent) division convey impulses from visceral organs to CNS?

Visceral sensory fibers

15

What division of the PNS receives and sends towards the CNS?

Afferent

16

Which division of the PNS moves from the CNS to muscles and glands?

Efferent

17

go to this website for crash course on the Nervous System

CrashCourse Biology

or

http://www.livescience.com/22665-nervous-system.html