endocrine system Flashcards
what is the endocrine system
system of glands that work alongside the nervous system to control vital functions in the body
what is a gland
small organs that release hormones
2 key glands in the brain
hypothalamus
pituitary gland
what is the role of the hypothalamus
connected to the pituitary gland
— responsible for stimulating or controlling the release of hormones from pituitary gland
role of the pituitary gland
master gland
— hormones released control and stimulate the release of hormones from other glands in the endocrine system
role of the thyroid gland
regulated metabolism
role of the pituitary gland
the master gland
role of the pineal gland
responsible for biological rhythms
role of the adrenal gland (medulla)
releases adrenaline
role of the adrenal gland (cortex)
releases cortisol which stimulates the release of glucose to provide energy
role of ovaries
sex hormones
role of testes
sex hormones
stages of the fight and flight response
1- stressor is perceived
2- hypothalamus activates pituitary gland
3- pituitary gland releases hormones which signals to the adrenal gland to release adrenaline
4- activity in the sympathetic branch of autonomous nervous system is triggered
5- body changes from resting state to aroused state
6- body returns to parasympathetic state after stressor is gone
what are the 2 stress responses
pituitary adrenal system
sympathomedullary pathway
which dress response deals with long term stress
pituitary adrenal system
