Biology Notes: The Endocrine System

Name: ___________________________________________________ Date: _______________ Period: ________ Biology Notes: The Endocrine System Directions: Fill in blanks as we cover the topic in the PowerPoint. Corresponds to textbook pages 896 – 901. Endocrine System Overview •
Defined: Body _____________________ that controls _____________________, _____________________, environmental _____________________ –
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Physically _____________________ Glands: Major _____________________ of the _____________________ system –
Make _____________________ –
Hormones: chemical ____________________ that move through _____________________ stream Hormones _____________________ to cell _____________________ –
Cause __________________ cells produce __________________ Steroid & Non‐Steroid Hormones •
_____________________ produced by the body •
Travel through _____________________ •
Attach to _____________________ of _____________________ cell •
Target _____________________ creates _____________________ Differences Between Steroid & Nonsteroid Hormones •
_____________________ hormones _____________________ into the cell. •
__________________________hormones do _____________________ enter the cell. Major Glands •
Glands create _____________________ •
(C) Hypothalamus –
___________________ the pituitary gland to ____________________ hormones –
Helps controls ______________________, ______________________, _______________________ •
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(B) Pituitary gland –
Controls _____________________ growth and ____________ concentration in ________________ –
_____________________ other _____________________ (A) Thyroid gland –
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(D) Thymus –
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Regulates ________________________, _______________________, _______________________ Allows _____________________ to _____________________ to fight _____________________ (E) Adrenal Glands –
Controls “_____________________ or _____________________” response –
Increases _____________________, _____________________, blood _____________________ •
(F) Pancreas –
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Controls _____________________ level in _____________________ Gonads: influence _____________________ development –
(H) Testes (___________________): produces _____________________ –
(G) Ovaries (__________________): produces _____________________, _____________________ Communication between Nervous System & Endocrine System •
Connected __________ the _____________________ in the _________________ –
_____________________ signals from _________________ –
_____________________ releasing _____________________ that _____________________other _____________________ to produce _____________________. –
Ex: Used in __________________________ to maintain __________________________ Review 1) What are glands and what do they release? _____________________________________________________ 2) What do hormones direct cells to create? _______________________________________________________ 3) How do hormones travel through the body? _____________________________________________________ 4) What gland connects the endocrine and nervous systems? _________________________________________ 5) What are the differences between steroid and nonsteroid hormones? ________________________________ _________________________________________________________________________________________ 6) Examine the diagram of the endocrine system. Label and practice identifying the 8 different glands. 7) Which gland…. a)
b)
c)
d)
e)
f)
g)
releases insulin to lower blood sugar levels? __________________________________________________ increases your alertness and blood pressure? _________________________________________________ helps your white blood cells mature? ________________________________________________________ is located atop your kidneys? ______________________________________________________________ are found in your brain (two answers)? ______________________________________________________ is considered your body’s thermostat? _______________________________________________________ controls water concentration in blood? ______________________________________________________