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image (functions (different hormones and functions (pancreas secretes…
functions
shares the same function as the nervous system.
a group of organs secretes hormones through bloodstream.
controls reproduction, growth and development, energy, balance. ect.
different hormones and functions
pancreas
secretes insulin and glucagon.
Cortisol
keeps glucose levels down
ALD
controls mineral electrolyte levels
parathyroid gland produces
PTH
which regulates calcium.
pineal gland produces melantonin
thyroid gland produces T3 and T4
hormone classification
lipids: steroids, examples include estrogen and testosterone
can easily pass through a cell membrane when it reaches target cell it enters plasma membrane then binds to receptor.
amino acids:
amines
: certain groups get added to side chain.
Proteins
: long chains of amino acids.
Peptides
: short chains of amino acids.
can't enter phospholipid membrane so it attaches to receptor outside of target cell.
hypothalamus and pituitary
The different hormones from the hypothalamus include, TRH, PRH, PIH, CRH, GnRH, SS, GHIH, OT, ADH.
The different hormones for the pituitary gland include, FSH, LH, ACTH, GH, TSH, MSH, and PRL.
Hormone secretion
Tropic hormones
controls release to other hormones and travels through the bloodstream to target cells.
Blood composition
down regulation allows target cells to be less reactive while up regulation if severely reduced it will increase sensitivity of receptors.
Feedback loops
negative inhibits levels while positive will stimulate more and more.
