the endocrine system

• what does the pituitary gland do?

  produces hormones that regulate body conditions
• what does the thyroid do?

  produces thyroxine, that regulates, rate of metabalism, heart rate and temprature
• what does the adrenal gland do?

  produces adenaline (fight or flight responce)
• what do ovaries do?

  produce oestrogen (involved in the menstrual cycle)
• what do testes do?

  produce testosterone (controlls puberty and sperm production)
• what does the pancreas do?

  Produces insulin, used to regulate blood glucose levels
• hormones are produced and secreted by endocrine glands, in the endocrine system
• what are the diffrences between nerves and hormones?

  speed - nerves are a fast action while hormones are slower

  length - hormones act for a long time while nerves act for a short time

  area - nerves act in a small area while hormones act in a general area
• why is the pituitary gland sometimes called the master gland?

  it produces hormones that act on other glands, to regulate body conditions
• how are hormones transported?

  they are chemical molecules released into the blood