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24 Terms
How are the nervous system and endocrine system similar
They both use chemical signals, are controlled by negative feedback, help maintain homeostasis
What does the hypothalamus do?
Releases releasing hormones (RH) that control the pituitary gland
What does tsh do
Stimulates thyroid hormone release
What does acth do
Stimulates adrenal cortex (stress hormones)
What does FSH do?
Egg/sperm production
What does LH do
Ovulation + test
What does prolactin do?
Milk production
What does MSH do
Increases Melanin
What does ADH do
Keeps water in body (kidneys)
What does oxytocin do
Uterine contractions + milk release
What do c cells secrete
Calcitonin → lowers blood calcium
What do chief cells secrete
PTH → raises blood calcium
What are the main effects of thyroid hormones
Increase metabolism, energy use, and heat production
What does the adrenal cortex secrete
Corticosteroids
What does the adrenal medulla secrete
Espinephrine & norepinephrine (fight or flight)
Zona glomerulosa function
Aldosterone → increases sodium
Zona fasciculata function
Cortisol → increases glucose, anti-inflammatory
Zona reticularis function
Androgens (testosterone)
What do alpha cells do
Glucagon→ increases blood sugar
What do beta cells do
Insulin → lowers blood sugar
What do delta cells do
Decrease insulin glucagon
What do F cells do
Inhibit digestion
What does the pineal gland secrete
Melatonin → sleep/circadian rhythm
