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MSU - BIO 1044 - Class Notes - Week 11

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MSU - BIO 1044 - Class Notes - Week 11

School: Mississippi State University
Department: Biology
Course: Biology II
Professor: Tom Holder
Term: Spring 2016
Tags: Biology
Name: exam 3 material
Description: this material pertaining to bio 2 exam 3 material
Uploaded: 03/12/2018
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background image Bio Exam 3 Material Chapter 40 ­ Introduction to Animal Form and Function Animal Bodies and Homeostasis  ­Key Concepts: ­Organization of Animal Bodies ­The Relationship Between Structure and Function
­Homeostasis
Organization of Animal Bodies ­All animal cells share similarities in the ways in which they: ­Exchange materials with their surroundings  ­Obtain energy from organic nutrients
­Synthesize complex molecules
­Reproduce themselves
­Detect and respond to signals in their immediate environment 
Levels of Animal Organization ­Cellular ­ Phylum Porifera (sponges)
­Tissue ­ Phylum Cnidaria (jellyfish) and Phylum Ctenotophora (combjellies)
­Organ ­ Phylum Platyhelminthes (flatworm)
­Organ System ­ advance animal groups 
Internal Organization of animals ­ Cells with similar properties group to form tissues ­Tissues combine together to form  organs ­Organs are linked to the form  organ systems  Tissues ­ Tissue is an association of many cells that have a similar structure and function ­ Epithelial Tissue ­Connective Tissue ­Muscle Tissue
­Nervous Tissue
Epithelial Tissues ­Sheets of  densely­packed cells that: ­Cover the body or enclose organs ­Line the walls of body cavities    ­Specialized to  protect and to secrete/absorb ions and organic molecules  ­Cells have a variety of shapes ­Cuboidal, squamous, and columnar ­Arranged to form different types of tissues ­Simple ­ one layer
background image ­Stratified ­ multiple layers
­Pseudostratified ­ one layer, but appears stratified 
­All are asymmetrical or polarized ­One side rests on basal lamina (basement membrane) and the other faces environment ­Can function as  selective barriers  Types of Epithelial Tissues ­Simple squamous ­ single layer of flat cells
­Simple cuboidal ­ singe layer square cells
­Simple columnar ­ single layer rectangular cells
­Pseudostratified columnar ­ 1 cell thick w/ all at basement membrane
­Stratified squamous ­ multi­layered flattened cells
­Transitional ­ stretchable tissue 
*ALL may be involved with secretion/absorption (mostly occurs through simple or 1 layer)  Connective Tissue Information  Connect, Surround, anchor, bind, and support
­Form 
extracellular matrix (ECM) around cells ­Provides scaffold for attachment ­Protects and cushions
­Mechanical strength
­Transmit information  Types of Connective Tissue Blood ­ transport and protection Adipose ­ (fat) insulation, protection and support
Bone ­ support and protection
Cartilage ­ support and flexibility
Loose ­ holds internal organs in place
Dense ­ strength and support  Muscle Tissues ­Cells specialized to contract, generating mechanical force ­Skeletal Muscle ­Attached to bone or exoskeleton for locomotion; elongate fibers; voluntary control  “conscious control” ­Smooth Muscle  ­Surrounds tubes and cavities for propulsion of contents; flattened cells; involuntary  control ­Cardiac Muscle  ­Only in the heart; elongate fibers; involuntary control  Nervous Tissue

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School: Mississippi State University
Department: Biology
Course: Biology II
Professor: Tom Holder
Term: Spring 2016
Tags: Biology
Name: exam 3 material
Description: this material pertaining to bio 2 exam 3 material
Uploaded: 03/12/2018
3 Pages 34 Views 27 Unlocks
  • Better Grades Guarantee
  • 24/7 Homework help
  • Notes, Study Guides, Flashcards + More!
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