NERVOUS
I AM A SYSTEM THAT IS MADE UP OF NERVES
PERIPHERAL NERVOUS SYSTEM
HOW MANY PARTS IS THE PERIPHERAL NERVOUS MADE UP OF
2
WHAT ARE THE PARTS OF THE PERIPHERAL NERVOUS SYSTEM
SOMATIC AND AUTONOMIC
WHAT NERVES MAKE UP THE PERIPHERAL NERVOUS SYSTEM?
CRANIAL NERVES AND SPINAL NERVES
HOW MANY CRANIAL NERVES DO WE HAVE?
12
HOW MANY SPINAL NERVES DO WE HAVE?
31
WHAT ARE 2 RESPONSIBILITIES OF THE CRANIAL NERVES?
SENSORY (SIGHT, HEARING, TASTE, SMELL), TOUCH, PRESSURE, PAIN, TEMPERATURE
WE ARE TERMS USED TO DESCRIBE THE DIRECTION HOW SIGNALS TRAVEL ALONG OUR SPINAL NERVES
AFFERENT AND EFFERENT
I AM (SENSORY) NERVES CARRY MESSAGES FROM ALL PARTS OF THE BODY TO THE BRAIN AND SPINAL CORD
AFFERENT
I AM (MOTOR) NERVES CARRY MESSAGES FROM THE BRAIN AND SPINAL CORD TO MUSCLES AND GLANDS
EFFERENT
I AM A PART OF THE PERIPHERAL NERVOUS SYSTEM THAT HELPS MAINTAIN BALANCE IN THE INVOLUNTARY FUNCTIONS OF THE BODY, BUT ALLOWS THE BODY TO REACT IN TIMES OF EMERGENCY
AUTONOMIC NERVOUS SYSTEM
WHAT ARE 2 DIVISIONS OF THE AUTONOMIC NERVOUS SYSTEM
THE SYMPATHETIC AND THE PARASYMPATHETIC SYSTEM WORK TOGETHER TO MAINTAIN A BALANCE IN THE BODY KNOWN AS
HOMEOSTASIS
ACTS IN TIMES OF EMERGENCY SUCH AS FIGHT OR FLIGHT,PREPARES THE BODY TO ACT,INCREASES HEART RATE AND RESPIRATION,RAISES BLOOD PRESSURE, SLOWS ACTIVITY IN THE DIGESTIVE TRACT
SYMPATHETIC NERVOUS SYSTEM
COUNTERACTS THE ACTIONS OF THE SYMPATHETIC AFTER THE EMERGENCY,SLOWS THE HEART RATE AND RESPIRATION,LOWERS THE BLOOD PRESSURE, INCREASES THE ACTIVITY IN THE DIGESTIVE TRACT
PARASYMPATHETIC NERVOUS SYSTEM