Biological Perspective: Peripheral Nervous System Flashcards
refers to things that are not in the center or that are on the edges of the center
Peripheral
consists of all the nerves outside the brain and spinal cord; It connects the central nervous system (CNS) to the body’s sensory organs, muscles, and glands
Peripheral Nervous System
Peripheral Nervous System: Two main systems
Somatic Nervous System
Autonomic Nervous System
controls voluntary muscle movements and sensory information
Somatic Nervous System
composed of sensory (afferent) neurons and motor (efferent) neurons
Somatic Nervous System
responsible for actions like walking, raising a hand, or turning the head
Somatic Nervous System
controls involuntary bodily functions, such as heart rate, digestion, and gland activity
Autonomic Nervous System
in sympathy with one’s emotions; activates during stress, preparing the body for action
Sympathetic Division (fight-or-flight)
refers to the neurons located on either side of the sympathetic division neurons; restores the body to normal after stress
Parasympathetic Division (rest-and-digest)
