chap 10

• steroid- acts on a cells dna and is fat soluble.
• nonsteroid- uses two messangers ( first and second messanger) to produce theie effect on target cells

• similar- they both have a variety of effects on the body and produce specfic effects
• differ- prostagland effects are only on nerby cells and are relesed into extracellular fluid
• hormones effect all cells and are derived from cholesterol.

a mechanism that works to maintain homeostasis by increasing hormone secretion.

it regulates the pituiary gland by being a link between the brain and endrocrine system. and is a endrocrine gland.

• anterior- has 6 hormones that promote cell growth, stimulate thyroid, develop sperm and eggs and stimulates milk production.
• posterior- decrease excretion of water and stimulates contractions of the utrus for child birth.

increases the metabolic rate, promote protien synthesis and enhance neuron function.

the thyroid gland produces a hormone called calcitonin that stimulates calcium deposition by osteoblast in bones.

increases heart rate, cardiac output, bloodpressure, and metabolic rate. and increases blood sugar

secretes aldosterone which keeps blood pressure in check

pancreas produces insulin which allows the body to uses its glucose those whos pancreas dont produce insulin or not enough develop diabetes