1) Human Endorcine System

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InsipidSnake16031

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  • Adrenaline:is produced by the adrenal glands in times of fear or stressincreases the heart rate, boosting the delivery of oxygen and glucose to the brain and musclesprepares the body for 'flight or fight'.
  • Thyroxine:is produced by the thyroid glandincreases the metabolic ratecontrols growth and development in young animalsis controlled by negative feedback.
  •  The endocrine system is made up of glands that secrete hormones
    directly into the bloodstream.
  • . Hormones are chemical messengers that are carried in the blood to a
    target organ where they produce an effect.
  • . Compared with effects of the nervous system, the effects of hormones
    are slower and act for longer.
  • . The pituitary gland in the brain is a 'master gland'.
  • . It secretes several hormones in response to body conditions.
  • . Some of these hormones act on other glands to stimulate other
    hormones to be released and bring about effects.