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 _____________________ – • • 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 ______________________, ______________________, _______________________ • • (B) Pituitary gland – Controls _____________________ growth and ____________ concentration in ________________ – _____________________ other _____________________ (A) Thyroid gland – • (D) Thymus – • Regulates ________________________, _______________________, _______________________ Allows _____________________ to _____________________ to fight _____________________ (E) Adrenal Glands – Controls “_____________________ or _____________________” response – Increases _____________________, _____________________, blood _____________________ • (F) Pancreas – • 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? ______________________________________________________
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