THE NERVOUS SYSTEM Flashcards
WHAT PROCESSES DOES THE ANS REGULATE
RESPIRATION, HEART RATE, BLOOD PRESSURE, DIGESTION
WHAT ARE THE TWO DIVISIONS OF THE NS
SYMPATHETIC AND PARASYMPATHETIC NS’
WHAT IS THE SNS RESPONSIBLE FOR
STIMULATING THE BODIES ‘FIGHT OR FLIGHT’ RESPONSE
WHAT IS THE PNS RESPONSIBLE FOR
STIMULATING THE BODIES ‘REST AND DIGEST’ RESPONSE
ESTABLISHES HOMEOSTATSIS ONCE STRESSOR HAS GONE
PHYSIOLOGICAL RESPONSES TO ACTIVATION OF SNS
PUPILS DIALATE INCREASED HEART RATE INCREASED BLOOD PRESSURE DECREASED SALIVA PRODUCTION BRONCHIAL TUBES DIALTE ACTIVATES SWEAT PRODUCTION CONSTRICTS BLADDER AND SPHINCTER
PHYSIOLOGICAL RESPONSES TO ACTIVATION OF PNS
PUPILS CONSTRICT DECREASED HEART RATE DECREASED BLOOD PRESSURE INCREASED SALIVA PRODUCTION BRONCHIAL TUBES CONSTRICT RELAXES BLADDER AND SPHINCTER
STRESS HORMONES
SIGNAL FIGHT OR FLIGHT
ADRENALINE
CORTISOL
WHAT DOES ADRENALINE DO
INCREASES HEART RATE
INCREASES BLOOD PRESSURE
BOOST ENERGY SUPPLY
WHAT DOES CORTISOL DO
CURBS FUNCTIONS THAT WOULD BE HARMFUL DURING A SNS RESPONSE
EG.
ALTERS IMMUNE RESPONSE
SUPRESSES DIGESTIVE AND REPRODUCTIVE SYSTEM
COMMUNICATES TO BRAIN TO ACTIVATE FEAR