Unit 2 vocabulary chapter 6&7
Immune System
body system consisting of organs, tissues, and cells that defend against infection.
Nervous System
body system that consists of the brain, spinal cord, and nerves that trade information throughout the body.
Tolerance
body's need for an increased amount of a substance to experience the effects once felt with smaller amounts
Stress
body's physical and psychological reactions to situations people perceive as threats.
Suicide Contagion
copying of suicide attempts after exposure to another person's suicide.
PanicAttacks
episodes of intense fear characterized by fast heartbeat, dizziness, shaking, trouble breathing, and chest pain.
Trauma
extreme stress due to deeply disturbing events, such as disasters, sexual assault, or violence.
Phobia
extreme, unrealistic fear of an object or situation.
Stressors
factors that lead to stress.
Mental Illness
health condition in which negative or unhelpful feelings or thoughts become so severe they interfere with daily life.
Therapist
healthcare professional who diagnoses mental illnesses and delivers therapy.
Suicide
intentional act of ending one's own life.
Withdrawal
negative symptoms that develop when a person with a physical dependence stops using a substance.
Stigma
negative, false, unfair beliefs associated with a circumstance, quality, or person.
Fight-or-Flight Response
physiological stress reaction in which the body mobilizes its resources to fight off or escape from a perceived threat also called the stress response.
Eustress
positive stress that encourages growth and motivation.
Distress
stress that causes negative feelings and harmful health effects.
Post-Traumatic Stress Disorder
stress-related disorder characterized by flashbacks, feelings of numbness, and difficulty sleeping after an extremely stressful event.
Mental Health Medications
substances that cause changes in the brain to reduce the symptoms of a mental illness.
Reproductive System
the body system consisting of organs that work together to create new human life is different between males and females.