Final 1 Flashcards
Stress
The collective physiological & emotional responses to any stimulus that disturbs and individual’s homeostasis
Autonomic Nervous System
Controls basic body processes
Sympathetic Division
Reacts to danger or other challenges by accelerating body processes
Parasympathetic Division
Moderates the excitatory effect of the sympathetic division by slowing things down
Endocrine System
Glands, tissue, and cells that secrete hormones into the bloodstream
–Influences metabolism and body processes
Norepinephrine
A neurotransmitter released by the sympathetic division to increase body functions increases attention, awareness, alertness
Epinephrine
A hormone secreted by the inner core of the adrenal gland also known as adrenalin
Cortisol
A steroid hormone secreted by the outer layer of the adrenal gland also known as hydrocortisone
Endorphin
Brain secretions that have pain-inhibiting effects
Fight-or-flight
Triggered by hormones
- -A defense reaction that prepares a person for conflict or escape by triggering hormonal, cardiovascular, metabolic, and other changes
- -Once a stressful situation ends, the parasympathetic division returns the body to homeostasis