endocrine system Flashcards
what is the endocrine system
a network of glands throughout the body that secrete and manufacture hormones
what are the two functions of the endocrine system
provide a chemical system of communication via the blood stream
to secrete hormones which are required to regulate body functions
what is the role of the hypothalamus in the endocrine system
brain region controlling the pituitary gland
what is known as the master gland
pituitary gland
how do hormones regulate our bodies physiological processes
bind with specific receptors in order to regulate the activity of cells or organs in the body
what does the thyroid gland release
thyroxine
what is the effect of thyroxine
increases heart rate and metabolic rates
what does the pineal gland release
melatonin
what is the effect of melatonin
regulates the sleep-wake cycle
what does the adrenal gland release
adrenaline
what is the effect of adrenaline
fight or flight response