Chapter 2P Flashcards
What does the central nervous system comprise of?
Brain and spinal cord
What is CNS’s main role?
○ Integrate information coming from various parts of the body
○ Coordinate different activities
○ Control behavior
What is ANS?
a self-regulating sub division of the peripheral nervous system that connects the central nervous system to the body’s internal organs and glands, providing feedback to the brain about their activities
What is CNS?
comprises of the brain and spinal cord; processes information received from internal and external environments and activates responses
What is sympathetic nervous system?
-a sub division of the autonomic nervous system that arouses the body for vigorous activity or to deal with a stressful or threatening situation
what is somatic nervous system?
a sub division of the peripheral nervous system that carries sensory information to the central nervous system and motor information from the central nervous system
what is a spinal reflex?
an unconscious, involuntary and automatically occurring response to certain stimuli, sourced within the spinal cord and without any involvement of the brain; also called reflex arc
what is a unconscious response?
a reaction to a sensory stimulus that does not involve awareness; compare with conscious response
what is parasympathetic nervous system?
-a sub division of the autonomic nervous system that helps to maintain the internal body environment in a steady, balanced state of normal functioning; calms or restores the body to its normal state of functioning after an extreme emotion subsides or a threat has passed
