endocrine system

• endocrine system allows different parts of the body to communicate
• the endocrine system consists of glands that secrete hormaones into the bloodstream
• glands secrete hormones
• glands secrete hormones into the bloodstream
• hormones are small chemical molecules
• hormones can get into contact with a wide range of tissues
• SOME tissues will have receptors that are specific to a particular hormone
• some tissues have receptors for specific hormones
• hormone molecules act as signals triggering changes in the cell
• hormone molecules act as signals
• triggering changes in the cell
• pituitary gland is also known as master gland
• pituitary gland is not part of the brain but is attatched to it
• pituitary gland produces multiple different hormones
• what two hormones can the pituitary gland produces 


  some that directly tell the body what to do / some that tell other glands to release their own hormones.
• thyroid gland is located at base of neck
• thyroid gland regulates rate of metabolism
• thyroid gland produces the hormone thyroxine
• thyroxine can regulate rate of metabolism
• thyroxine plays an important role in growth and development
• negative feedback is when there is too low or high of a hormone so master gland sends more
• thyroxine stimulating hormone is released by pituitary gland to produce more thyroxine
• adrenal glands produce adrenaline
• adrenal glands sit on top of the kidney and produce adrenaline and cortisol
• cortisol is known as the stress hormone
• cortisol levels increase in response to stress
• pancreas produces the hormone insulin
• insulin controls the amount of sugar in blood stream
• testes produce the hormone testosterone
• testosterone controls puberty
• testes only found on men
• testes produce sperm for reproduction
• males sperm for reproduction
• testes for reproduction
• females for egg cells
• ovaries produce hormones oestrogen
• oestrogen control puberty and mentrual cycle
• what are the 6 different glands in the body in order + give explanation

  pituitary gland / thyroid gland / adrenal gland/ pancreas / testes / ovaries