The Endocrine System Flashcards
The endocrine system
Glands/ organs that create hormones and release them directly into the blood
Adrenaline is from…
Adrenal gland
Parathormone(Calcium in blood) is from…
Parathyroid
Oxytocin is from…
Pituitary gland- master gland
Testosterone is from…
Testes
Oestrogen is from…
Ovaries
Thyroxine( regulates metabolism) is from…
Thyroid gland
Insulin( absorption of glucose from the blood) is from
Pancreas
Melatonin(sleep/wake cycle) is from…
Pineal
Fight or flight response
Brought from sympathetic NS
Threat>detected by sensors>passed to pituitary gland>release ACTH>detected by adrenal Madula>adrenaline released
The affects of adrenaline release
Pupils dilate-increase vision
HR increase-blood to organs
Lung capacity increase-more oxygen
Parasympathetic responses
Contract Pupils
HR decrease
Airway contricts
Sympathetic response
Dialates pupil
Increase HR
Relax airway