endocrine system

• 8 major glands - regulate bodily functions - release hormones into bloodstream
• pituitary gland - located in the brain - master gland - hormonal secretions affect the release of other glands - influences fight or flight
• hypothalumus - next to pituitary - links to the nervous system to the endocrine system in combination with pituiatry - maintains homeostasis of bodily systems
• pineal gland - in the brain - modulates sleep pattern - keeps our circadium rhythm on track - controls melatonin
• thyroid - in neck - releases thyroxine to control metabolism - thymus gland in chest stimulates the development of t cells
• pancrease - regulates blood sugar levels - controls insulin and glucagon
• adrenal glands - on top of kidneys - regulates bloodsugar levels - effect of fight or flight - hormones adrenaline and cortisol
• ovaries and testes - reporodcutive glands - oestrogen and testosterone
• fight or flight - evolutionar survival mechanism
• acute stress - short term
• chronic stress - long term stress
• recognise threat - enter stress response - hypothalamus - pituitary - adrenal
• adrenaline - increases
• neuroadrenaline - decreases