Endocrine System Overview
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Endocrine System Overview

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Questions and Answers

What hormone is produced by the pituitary gland and is responsible for growth?

  • Thyroxine (T4)
  • Adrenaline
  • Insulin
  • Growth Hormone (GH) (correct)

    • Which hormone is responsible for regulating blood sugar levels?

  • Thyroxine (T4)
  • Adrenaline
  • Insulin (correct)
  • Progesterone

    • What is the primary function of endocrine glands?

  • To release hormones directly into the bloodstream (correct)
  • To release chemicals into ducts
  • To control metabolism and energy
  • To filter waste products from the bloodstream

    • What role do target cells play in the endocrine system?

    <p>They have specific receptors for hormones</p> Signup and view all the answers

    Which glands are responsible for fight, flight, or freeze reactions?

    <p>Adrenal glands</p> Signup and view all the answers

    What is the primary difference between endocrine and exocrine glands?

    <p>Endocrine glands release chemicals into the bloodstream.</p> Signup and view all the answers

    The pancreas is exclusively an endocrine gland.

    <p>False</p> Signup and view all the answers

    Name a hormone produced by the adrenal glands.

    <p>Adrenaline</p> Signup and view all the answers

    The hormone that stimulates the kidneys to hold water is called ______.

    <p>Antidiuretic Hormone (ADH)</p> Signup and view all the answers

    Match the following hormones with their functions:

    <p>Insulin = Regulates blood sugar levels Testosterone = Responsible for male puberty Thyroxine (T4) = Controls metabolism Progesterone = Prepares the uterus for pregnancy</p> Signup and view all the answers

    Which hormone is responsible for growth?

    <p>Growth Hormone (GH)</p> Signup and view all the answers

    Target cells have specific receptors for hormones.

    <p>True</p> Signup and view all the answers

    What role do ovaries play in the endocrine system?

    <p>Produce hormones like progesterone and estrogen.</p> Signup and view all the answers

    The gland known as the 'master gland' is the ______.

    <p>pituitary gland</p> Signup and view all the answers

    Which hormone is produced by the testes?

    <p>Testosterone</p> Signup and view all the answers

    Study Notes

    Endocrine vs Exocrine Glands

    • Exocrine glands release chemicals into ducts, such as sweat, tears, and digestive juices
    • Endocrine glands release chemicals directly into the bloodstream, these chemicals are called hormones
    • Examples of hormones include testosterone, estrogen, and insulin

    Endocrine System Terminology

    • Glands release products directly into the bloodstream
    • Hormones are chemical messages carried around the body
    • Target cells have specific receptors on their cell membrane which allow them to receive hormonal messages

    Pituitary Gland

    • It is known as the master gland because it controls other glands
    • The pituitary gland releases Growth Hormone (GH) which is responsible for growth. Too little GH results in dwarfism, while too much results in gigantism.
    • The pituitary gland also releases Antidiuretic Hormone (ADH), which stimulates the kidneys to retain water

    Thyroid Gland

    • The thyroid gland controls metabolism and energy in the body.
    • It releases thyroxine (T4)

    Adrenal Glands

    • Adrenal glands are responsible for the fight, flight or freeze response
    • Adrenaline increases heart rate and blood pressure, and supplies more oxygen to muscles and organs to allow for a quick response

    Pancreas

    • The pancreas is an endocrine and exocrine gland
    • It releases enzymes and hormones
    • The pancreas releases glucagon and insulin, which regulate blood sugar

    Ovaries

    • Ovaries produce progesterone and estrogen
    • The ovaries are responsible for puberty and sexual maturity

    Testes

    • Testes produce testosterone.
    • The testes are responsible for puberty and sexual maturity

    Endocrine & Exocrine Glands

    • Exocrine glands release chemicals into ducts, examples include sweat, tears and digestive juices
    • Endocrine glands release chemicals into the bloodstream, they have no ducts and their chemicals are called hormones, examples include testosterone, estrogen and insulin

    Endocrine System Terminology

    • Glands: release products into the bloodstream directly
    • Hormones: chemical messages carried around the body
    • Target cells: specific cells that have appropriate receptors on their cell membrane

    Pituitary Gland

    • Also known as the master gland, because it controls the other glands
    • Growth Hormone (GH) is responsible for growth, too little GH leads to dwarfism and too much GH leads to giantism
    • Antidiuretic Hormone (ADH) stimulates kidneys to hold water

    Thyroid Gland

    • Controls metabolism and energy in the body
    • Thyroxine (T4) is the hormone produced by the thyroid gland

    Adrenal Glands

    • Hormones made by the adrenal glands including adrenaline are responsible for fight, flight or freeze reactions
    • Adrenaline increases heart rate and blood pressure, supplies more oxygen to the muscles and organs to help you respond quickly

    Pancreas

    • An endocrine and exocrine gland that makes enzymes and hormones
    • Regulates blood sugar by means of the hormones glucagon and insulin

    Ovaries

    • Produces progesterone and estrogen
    • Function: controls puberty and sexual maturity

    Testes

    • Produces testosterone
    • Function: controls puberty and sexual maturity

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    Related Documents

    The Endocrine System PDF

    Description

    Explore the differences between endocrine and exocrine glands, and learn how hormones function in the body. This quiz covers the roles of crucial glands like the pituitary and thyroid, highlighting their impact on growth and metabolism.

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