________: secreted by the small intestine after meals; acts as an appetite suppressant that counters the appetite stimulant ghrelin.
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Insulin
________: secreted by the pancreas when theres a rise in blood sugar level after a meal; suppresses appetite by acting on the brain.
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human body
The ________ imposes a limit in the amount of fat it stores or uses up.
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Genes
________ are involved in fat homeostasis.
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Glucagon
________: increases blood glucose levels by stimulating conversion of glycogen to glucose in the liver and the breakdown of fat and protein into glucose.
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complex feedback mechanism
A(n) ________ regulates the storage and use of fat.
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Leptin
________: produced by adipose (fat) tissue; suppresses appetite as its level increases.
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hormone leptin
The ________ is produced by the adipose tissue.
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High leptin level
________ cues the brain to depress appetite and to increase energy- consuming muscular activity and body- heat production.
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Loss of body fat
________ decreases the leptin levels in the blood, and the brain is signaled to increase appetite and weight gain.
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Insulin
________ and glucagon are antagonistic hormones that help maintain glucose homeostasis.
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Insulin
________: reduces blood glucose levels by promoting the cellular uptake of glucose, slowing glycogen breakdown in the liver, promoting fat storage.
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Glucagon
increases blood glucose levels by stimulating conversion of glycogen to glucose in the liver and the breakdown of fat and protein into glucose
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Insulin
reduces blood glucose levels by promoting the cellular uptake of glucose, slowing glycogen breakdown in the liver, promoting fat storage
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Leptin
produced by adipose (fat) tissue; suppresses appetite as its level increases
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PYY
secreted by the small intestine after meals; acts as an appetite suppressant that counters the appetite stimulant ghrelin
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Ghrelin
secreted by the stomach wall; triggers feelings of hunger
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Insulin
secreted by the pancreas when theres a rise in blood sugar level after a meal; suppresses appetite by acting on the brain
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Nervous system effects
Control of muscular and glandular activity by local nerves in alimentary canal
Long-distance regulation by the brain
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Hormones are mainly secreted by
cells scattered throughout the epithelium of stomach and small intestine