Please take out the endocrine chart Open notes to page 32 1/30 Please take out the endocrine chart Open notes to page 32 I will be stamping: the chart and diagram if you finished them for homework Page 32 summary

Major Endocrine Organs: Pituitary (Hypophysis) Pituitary gland Releases 11 hormones made by either the hypothalamus or the pituitary itself Regulates major metabolic processes on the body and other endocrine glands Growth, stress, reproductive cycles, water balance

Pituitary hormones Oxytosin ADH TSH FSH LH ACTH GH PRL

Secretes thyroid hormone (TH) in two forms Deals with metabolism, temperature, nerve and muscle development Secretes calcitonin lowers calcium levels

parathyroid Figure 16.1

Secretes parathyroid hormone (PTH) Increases blood calcium levels

Adrenal hormones Increases sodium and lowers potassium blood levels through the kidney Raises blood volume and pressure constricts blood vessels, and raises heart rate Help body deal with stress Epinephrine (adrenalin) and norepinephrine Cause fight or flight response (short term)

Controls blood sugar levels Insulin pancreas Controls blood sugar levels Insulin Lowers blood sugar Glucagon Raises blood sugar

ovary Female primary sex organ; produces female sex hormones Produces estrogen Produces progesterone Run the menstrual cycle Development of the female body sexually

Produces male sex hormones testis Produces male sex hormones Mainly secretes testosterone Produces secondary sex characteristics and sex drive

Pineal gland Produces melatonin Involved with sleep patterns

thymus secretes thymosin Helps develop white blood cells

Part of the brain that controls the endocrine system hypothalamus Part of the brain that controls the endocrine system Secretes several hormones that act on the pituitary