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4-Animal-Basic principles - An Introduction to Animal...

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An Introduction toAn Introduction toAnimal Structure andAnimal Structure andFunctionFunctionThe cells of mostanimals interactat three levels oforganization:tissues, organs,and organsystems
OutlineOutline1.Key concepts2.Organization of the animal body3.Tissues types4.Organ systems5.Bioenergetics of Animals6.Homeostasis7.Key terms8.Conclusions
Key Concepts:Key Concepts:1.The cells of most animals interact at threelevels of organization: tissues, organs, andorgan systems2.Four types of tissues are seen in mostanimals: epithelial, connective, muscle, andnervous tissues3.Each animal cells engages in metabolicactivities
Key Concepts:Key Concepts:4.Animals are heterotrophs that harvestchemical energy from the food they ingest.5.Mechanisms of homeostasis moderatechanges in the internal environment
Organization of the animalOrganization of the animalbodybody1.Cells – basic structural and functional units.2.Tissue – a group of cells,usually similar inboth structure and function. They are boundtogether to carry out one ormore specializedtasks.3.Organ – a body part.two ormore tissue typesthat function together.4.Organ systems – two or more organs that workto perform a common function.
Hierarchy of organizationHierarchy of organization
Tissue typesTissue types1.Epithelial tissue - Protective coverings of thebody, linings of internal organs.cells close together act as a barrier2.

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Term
Spring
Professor
Reichler
Tags
Homeostasis, Epithelial tissue

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