Vocab 2.2
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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Endocrine System | show 🗑
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Exocrine System | show 🗑
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show | Homeostasis refers to the body's ability to maintain stable internal conditions despite external changes, through the regulation of various physiological processes.
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show | A hormone is a chemical substance produced by an endocrine gland that circulates in the bloodstream and regulates the activity of target cells or organs.
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Endocrine Gland | show 🗑
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show | An exocrine gland is a gland that releases its secretions through ducts to the external environment or specific organs.
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Feedback Loop | show 🗑
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show | Negative feedback is a regulatory mechanism in which the output of a process inhibits or opposes the initial stimulus, maintaining stability or homeostasis.
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show | Positive feedback is a regulatory mechanism in which the output of a process amplifies or reinforces the initial stimulus, often leading to a self-amplifying cycle.
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Hormone Receptor | show 🗑
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show | The hypothalamus is a region of the brain that plays a key role in regulating various physiological processes, including hormone secretion, body temperature, hunger, thirst, and sleep.
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Pineal Gland | show 🗑
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Pituitary Gland | show 🗑
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Thyroid | show 🗑
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Parathyroid | show 🗑
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Pancreas | show 🗑
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show | The adrenal glands are small, triangular-shaped endocrine glands located on top of each kidney that secrete hormones such as cortisol, adrenaline (epinephrine), and aldosterone, which regulate stress response, metabolism, and electrolyte balance.
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Thymus | show 🗑
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Ovaries | show 🗑
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Testicles | show 🗑
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show | Secretion is the process by which cells release substances such as hormones, enzymes, or sweat for various physiological functions.
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Insulin | show 🗑
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show | Glucagon is a hormone produced by the pancreas that increases blood sugar levels by promoting the breakdown of glycogen into glucose and stimulating gluconeogenesis in the liver.
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show | Calcitonin is a hormone produced by the thyroid gland that helps regulate calcium levels in the blood by inhibiting the breakdown of bone and promoting calcium excretion by the kidneys.
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Antidiuretic Hormone (ADH) | show 🗑
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show | Aldosterone is a hormone produced by the adrenal glands that regulates electrolyte balance by promoting sodium retention and potassium excretion by the kidneys.
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show | The renin-angiotensin-aldosterone system (RAAS) is a hormonal cascade that regulates blood pressure and electrolyte balance by controlling the production and release of hormones such as renin, angiotensin II, and aldosterone.
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show | A stimulus is a detectable change in the internal or external environment that triggers a physiological response.
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show | A response is the reaction or behavior of an organism to a stimulus.
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show | Neurotransmitters are chemical messengers released by neurons (nerve cells) that transmit signals across synapses to target cells, such as other neurons, muscle cells, or glands.
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show | Dopamine is a neurotransmitter that plays a key role in reward-motivated behavior, movement, mood, and cognition.
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show | Serotonin is a neurotransmitter that regulates mood, appetite, sleep, and other physiological processes.
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Epinephrine | show 🗑
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Norepinephrine | show 🗑
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Acetylcholine | show 🗑
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Gamma-aminobutyric acid (GABA) | show 🗑
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show | Glutamate is the primary excitatory neurotransmitter in the central nervous system, playing a key role in synaptic transmission and neuronal plasticity.
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show | An agonist is a drug or substance that binds to and activates a receptor, producing a biological response similar to that of the endogenous ligand.
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Antagonist | show 🗑
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