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ExPhys
Exercise and Sport Physiology
Term | Definition |
---|---|
central nervous system | brain and spinal cord |
peripheral nervous system | nerve fibers beyond the brain and spinal cord |
autonomic nervous system | innervates organs and tissues not usually controlled voluntarily, ie cardiac mm, smooth mm, and glands. has two branches |
sympathetic branch | "fight or flight" branch of the ANS; generally activated in emergency or stressful situations |
parasympathetic branch | "rest and digest" branch of the ANS; activated in times of inactivity and responsible for promoting nutrient digestion |
somatic nervous system | innervates tissues controlled voluntarily, ie skeletal muscle |