Nervous system (sensory input-parasympathetic NS Flashcards
sensory input
impulses
function of nervous system
sends messages to spinal cord and brain
how many senses do we have
5
integration
(processing) brain
homeostasis
(responses)
mental activity
(memory thinking)
control of skeletal muscle
(voluntary)
makes up the central NS
brain and spinal cord
what is the spinal cord related to
reflexes
function of spinal nerves
carry impulses to and from the spinal cord
function of cranial nerves
carries impulses to and from the brain
another name for Sensory divison
Afferent
sensory division
convey impulses to the CNS from sensory receptors. (pick up)
what does affect mean
response
what does peripheral mean
outside
another name for motor division
efferent
motor division
carries impulses from the CNS to effector organs (muscles, glands)(respond)
Somatic NS
VOLUNTARY control of skeletal muscles
ACTION
Autonomic NS
involuntary control of smooth and cardia muscles
Sympathetic NS nickname
fight or flight
sympathetic NS
enables the body to cope rapidly and vigorously with situations which threaten homeostasis;high heart rate, deep breathing, dilated pupils
symptoms of sympathetic NS
high heart rate, deep breathing, dilated pupils
Parasympathetic NS nickname
resting and digestion
Parasympathetic NS
promotes normal digestion and elimination; conserving body energy and decreasing demands on the cardiovascular system
