The Endocrine System

Cards (31)

  • How long do the effects of the nervous system tend to last?
    Very short-lived
  • How is the body controlled in the endocrine system?
    By chemicals called hormones
  • What do scientists call the system controlled by hormones?
    The endocrine system
  • What does the endocrine system consist of?
    A number of glands
  • What do the glands in the endocrine system secrete?
    Hormones
  • Where do endocrine glands secrete hormones?
    Directly into the bloodstream
  • How are hormones transported around the body?
    The blood carries them
  • Where do hormones act to produce an effect?
    Specific target organs
  • What is one key difference between the nervous and endocrine systems?
    Nervous system uses electrical impulses
  • What are the signals used by the endocrine system?
    Hormones, which are chemicals
  • How are hormones carried around the body?
    In the bloodstream
  • How does the speed of signaling compare between the nervous and endocrine systems?
    Nervous system is extremely fast
  • What is a characteristic of the endocrine system's effects?
    It tends to be slower
  • How long-lasting are the effects of the endocrine system?
    More long-lasting
  • What might you be asked to do in the exam regarding the endocrine system?
    Identify gland locations
  • Which organ have we already looked at in the context of digestion?
    The pancreas
  • Besides digestion, what else does the pancreas do?
    Releases hormones
  • What is the role of the hormones released by the pancreas?
    Controlling blood glucose
  • Which organs release hormones involved in puberty and reproduction?
    The ovaries and testes
  • What gland produces hormones involved in growth?
    The thyroid gland
  • What else does the thyroid gland regulate?
    Basal metabolic rate
  • What do we call the rate at which body reactions take place?
    Basal metabolic rate
  • What hormone do the adrenal glands release?
    Adrenaline
  • When is adrenaline produced?
    In times of fear or stress
  • Where is the pituitary gland located?
    In the brain
  • What do scientists call the pituitary gland?
    The master gland
  • What does the pituitary gland release?
    Different hormones
  • What determines which hormones the pituitary gland releases?
    The conditions
  • What is the key point about pituitary hormones?
    They act on other glands
  • What do pituitary hormones cause other glands to do?
    Release other hormones
  • What can pituitary hormones trigger in the body?

    A range of different effects