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Questions and Answers
What is the primary function of the thyroid gland?
What is the primary function of the thyroid gland?
Endocrine glands release their hormones into ducts.
Endocrine glands release their hormones into ducts.
False
What hormone is responsible for stimulating the kidneys to hold water?
What hormone is responsible for stimulating the kidneys to hold water?
Antidiuretic Hormone (ADH)
Match the gland with its primary hormone:
Match the gland with its primary hormone:
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The adrenal glands are primarily responsible for the body's ______ reactions.
The adrenal glands are primarily responsible for the body's ______ reactions.
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Study Notes
Endocrine vs. Exocrine Glands
- Exocrine Glands release chemicals into ducts. Examples include sweat glands, tear glands, and digestive glands.
- Endocrine Glands release chemicals directly into the bloodstream. These chemicals are called hormones. They have no ducts. Examples include testosterone, estrogen, and insulin.
Endocrine System Terminology
- Glands: Release products directly into the bloodstream.
- Hormones: Chemical messages carried throughout the body.
- Target cells: Specific cells with receptors on their cell membrane that can bind to and respond to specific hormones.
Pituitary Gland
- Known as the master gland because it controls other glands.
- Growth Hormone (GH): Responsible for growth. Too little GH can lead to dwarfism, while too much can lead to giantism.
- Antidiuretic Hormone (ADH): Stimulates the kidneys to hold water.
Thyroid Gland
- Controls metabolism and energy in the body.
- Thyroxine (T4): The primary hormone produced by the thyroid gland.
Adrenal Glands
- Adrenal glands produce hormones responsible for the "fight, flight, or freeze" response.
- Adrenaline: Increases heart rate and blood pressure, supplying more oxygen to muscles and organs for a rapid response.
Pancreas
- A mixed gland, both endocrine and exocrine.
- Produces enzymes and hormones.
- Regulates blood sugar levels: Through the hormones glucagon and insulin.
Ovaries
- Produce the hormones progesterone and estrogen.
- Responsible for puberty and sexual maturity in females.
Testes
- Produce the hormone testosterone.
- Responsible for puberty and sexual maturity in males.
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Description
Test your knowledge on the differences between endocrine and exocrine glands. This quiz covers gland functions, hormones, and key concepts related to the endocrine system, including the roles of major glands like the pituitary and thyroid. Challenge yourself to identify and understand essential terminology and hormone functions.
