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Biopsychology

The endocrine system

  • 3 things to know
  • Paper 2

Overview

The glands of the endocrine system and the hormones each secretes, and how hormonal communication compares with neural communication.

What you need to know

Answer each one before you reveal it.

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Key term

What is the endocrine system?

Key term

How does hormonal communication compare with neural communication?

Key term

Which gland secretes which hormone?

Questions from this subtopic

Each one with the model answer underneath.

  1. 1

    What is the endocrine system?

    Model answer

    A network of glands that secrete hormones directly into the bloodstream to regulate body functions.

  2. 2

    In the context of the endocrine system, what are glands?

    Model answer

    Organs that produce and secrete hormones.

  3. 3

    Define hormones.

    Model answer

    Chemical messengers released by glands that travel through the bloodstream to target organs where they produce specific effects.

  4. 4

    How does the speed of hormonal action compare to nervous system transmission?

    Model answer

    Hormones act more slowly than the nervous system.

  5. 5

    Why are the effects of hormones often more significant for long-term bodily regulation compared to neural signals?

    Model answer

    Because hormonal effects tend to be longer-lasting than the effects of nervous system activity.

  6. 6

    Why is the pituitary gland referred to as the 'master gland'?

    Model answer

    Because it controls the release of hormones from other glands in the endocrine system.

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