click below
click below
Normal Size Small Size show me how
anatomy quiz 4
nervous system
Question | Answer |
---|---|
Nervous System: | the body master controlling & communicating system. monitors and regulates every function of the body's, energy. throught, action, ans sensation. |
Sensory input: | pressure,tempature,motion:inside and out side the body. |
Interpretation/Intergration: | Interprets info from sensory receptors |
Motor Output: | Response to interpreted info:muscular contraction or glandular secrection |
Higher Cognitive function: | Thoughts, Emotions |
Branches Centra nervous system:CNS | *Brain,meningies,cerebrospinal fluid&spinal cord *major center for thoughts & emotions |
Peripheral nervous system: PNS | *all nerves in the pheriphery *43 pairs of nerves *12 cranial(originate in brain) *31 spinal lemerge from spinal cord |
How many major PLEXI's in the peripheral nervouse system? | 4 major plexi's |
what are the names of the 4 major plexi | *Cervical plexus(C1-C5) head and neck *Brachial plexus(C5-T1) arm and hand, mock carpaltunnel,thoracic outlet compression syndrome. *Lumbar plexus(L1-L4)abs, low back, genitalia *Sacral plexus(L4-S4) posterior hips,;legs and feet, integumentary system. |
what are 4 functions for the 4 major plexi: | *Protection *Homeostasis *sensory *absorption/secretion/excretion |