nervous system Flashcards
CNS central neurvous system
brain and spinal cord
Peropheral Nervous System
sensory and motor neurons that connect CNC to rest of body
Nerves
bundled axons that form neural cables connecting the CNC with muscles, glands, sensory organs.
Afferent (sensory) Neurons
info from body tissue and sensory receptors to brain and spinal cord
Efferent (motor)Neurons
info from brain and spinal cord to muscles and glands
Interneurons
communicates and processes info between sensory inputs and motor outputs
Somatic Nervous System
skeletal muslces
Automatic Nervous System
glands, muscles of internal organs; the heart
Sympathetic Nervous System
energy
Parasympathetic Nervous System
calms down body
Reflex
automatic responce to sensory stimuli
Endocrine system
Glands; hormones travel through the bloodstream to affect tissues
Adernal Gland
sits on top of kidneys and secretes hormones