General Biology BI 101 - Structure, Systems, Organs, Tissues, Cells

I Basic organization of Body Plans

	Hierarchy
		Systems composed of Organs
			Organs composed of Tissues
				Tissues composed of Cells

 II Overview of the systems
	A) Integumentary - outer covering
	B) Muscular - movement
	C) Skeletal - support, movement, protection
	D) Circulatory - circulatory materials and immunity
	E) Lymphatic - circulation and immunity
	F) Respiratory - gas exchange
	G) Digestive - digestion and absorption
	H) Urinary/Excretory - discharge nitrogenous waste
	I) Endocrine - messages and control
	J) Nervous - control
	K) Reproductive - reproduction

V Homeostasis
A) maintenance of stable internal environment, requires integration
	of all systems
B) Example of body temperature

IV Integumentary System - outer covering of the body
	A) Current Issues - Acne
		1) inflammation of the skin due to excess production of sebum (oil from sebaceous gland)
		2) causes of acne - hormones (androgens), increased sebum production, bacteria
			enlarged glands
		3) American Academy of Dermatology

	B) Integument
		1) Epidermis - thin outer layer with skin pigments
		2) Dermis - thicker inner layer, contains vessels, hair or feather follicles,
			nerves, sweat glands, sebaceous glands

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Copyright © 2001 Jay Pitocchelli. All rights reserved. The contents of this page are the intellectual property of Dr. Jay Pitocchelli for distribution to students enrolled in General Biology BI 01 at Saint Anselm College. These pages may not be copied, photocopied, reproduced, translated, or published in any electronic or machine-readable form in whole or in part without prior written approval of Jay Pitocchelli. Students enrolled in General Biology BI 01 at Saint Anselm College have permission to print this material for their lecture notes. The images linked to this web page are the sole property of Addison Wesley/ Benjamin Cummings Publishers™.