Module 2: Physical Influences On Thoughts And Feelings Flashcards
nervous system
consists of the brain
Neurons
Individual cells in the nervous system that receive and transmit information. The entire nervous system depends on them. They don’t reproduce easily and are easy to destroy.
Glands
Soft groups of cells
endocrine system
Made up of glands and hormones
Hormones
Powerful chemicals produced by the glands
Receptors
Places on the cell’s surface that react to hormones
target cells
A cell with a receptor
pineal body
Between the thalamus and controls your sleep
optic nerve
Nerve from the eyes that help the pineal body
Serotonin
A neurotransmitter that promotes wakefulness
Melatonin
A neurotransmitter that encourages sleep
Caffeine
Found in coffee
pituitary gland
Releases hormones when told
epinephrine or adrenaline
Prepares for conflict; gives the flight or fight option
Cortisol
Made of adrenal glands and released in stressful situations
panic attack
All the feelings of being startled far out of proportions to the situation
panic disorder
Living in fear of more panic attacks
Thyroid
A gland that produces thyroxine
Thyroxine
A hormone that increases the metabolic rate of cells
metabolic rate
Makes sluggish cells act more quickly to use oxygen and store more energy to preform their functions
Iodine
Found naturally in seafood
Goiter
Overgrowth of the thyroid gland
Insulin
Controls glucose levels in the blood
reactive hypoglycemia
Over correction by insulin