Module 10 (Endocrine System)

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feedback system

-brain -> pituitary -> other glands -> hormones -> body and brain -reveals the intimate connection of nervous and endocrine systems -nervous system directs endocrine secretions, then affects nervous system

oxytocin

-hormone that enables contractions associated with birthing, milk flow during nursing, and orgasm

Pituitary glands

-the endocrine system's most influential gland. Under the influence of the hypothalamus, the pituitary regulates growth and controls other endocrine glands -master gland

Adrenal glands

a pair of endocrine glands that sit just above the kidneys and secrete hormones (epinephrine and norepinephrine) that help arouse the body in times of stress

Which of the following endocrine glands may explain unusually tall height in a 12-year-old?

pituitary

Endocrine messages vs neural

Endocrine messages tend to outlast effects of neural messages. That helps explain why upset feelings may linger beyond our it takes time for us to "simmer down."

Epinephrine and norepinephrine increase energy and are released by the ____.

adrenal glands and brain

Endocrine system

body's "slow" chemical communication system; a set of glands that secrete hormones into bloodstream

Hormones

chemical messengers manufactured by endocrine glands travel through the bloodstream and affect other tissues, influence interest in sex, food, and aggression, some are chemically identical to neurotransmitters

Hormones are_____released into the_____ .

chemical messengers; blood stream

What communicates with the pituitary, which in turn controls the endocrine system?

hypothalamus


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