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20 Cards in this Set
- Front
- Back
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What are hormones?
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Chemicals released by cells of the endocrine system.
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How do hormones work?
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They bind to receptors on other cells and alter their activity.
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How are hormones and neurotransmitters similar?
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They are both chemicals released by cells.
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How are some ways the immune, nervous, and endoycrine systems act as one?
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The mind affects ones health.
People with support systems have better cancer survival rates. Fewer people die around their birthday, but rather weeks later. Placebo effect. |
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What is the placebo effect?
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Sugar pill / Poison Ivy test
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How do our mental and emotional states affect our physical health?
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It is known that depressed people have weaker immune responses and contact with pets is known to enhance mood and induce relaxation which reduces the risk of heart attacks
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How can stress make you sick?
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It suppressed the immune system
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What is a drug?
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Any chemical that alters biological function
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What is a pyschoactive drug?
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Any drug that alters consciousness, mood, or perception.
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How do drugs affect the brain?
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It alters the kind or amount of neurotransmitter a neuronreleases
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How does marijuana effect the mind and body?
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THC affects our mood, sense of time, euphoria, reproductive hormones, decreases testerone
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How does nicotine effect the mind and body?
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It triggers neurotransmitters which increases awareness, higher heart rate and blood pressure.
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How does caffeine effect the mind and body?
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Alters metabolism, increases awareness, increases heart rate. Damages DNA
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How does alcohol effect the mind and body?
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Inhibits signals, decreases awareness,
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What are the 4 signs of addiction?
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Dependance, Withdrawl, Tolerance, Context Cues
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What is dependance?
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Person feels like they can't function without it.
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What is tolerance?
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The body becomes tolerant and higher doses are needed for desired effects
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What is the brain's reward center?
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Part of the brain that is the center of pleasure producing signals
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What is positive reinforcement?
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The person takes drugs or does the activity to get a sense of pleasure
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What is negative reinforcement?
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When a person takes the drugs or activity to avoid the feelings of withdrawal
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