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Tissues of the Human Body Tissues Groups of cells perform specialized functional and structural roles within the body. Cells within the same tissue are quite similar. Four Types of Tissue 1. _________________________ Tissue (cover and line) 2. ________________________ Tissue (support, bind, connect) 3. ____________________ Tissue (contract for movement) 4. ____________________ Tissue (control and communicate) Epithelial Tissue A. Characteristics of Epithelial Tissue - ____________________________________________________________________. - Major tissue of glands. - ________________________________________________ (avascular) - Has little intercellular material B. Function of Epithelial Tissues 1. _______________________ - skin, respiratory tract lining 2. Secretion - _________________ 3. Absorption – stomach and ________________________________ 4. ______________________________________________ C. Classification of Epithelial Cells 1. Done according to the _____________________ of ___________________________ _________________ - one layer ________________________ - more than one layer 2. Done according to the ___________________ of the cells: ________________________, _________________________, ________________________ Simple Squamous Epithelium ________________________________________________________________________________________ Lines body cavities Lines the lungs and capillaries Simple Cuboidal Epithelium _______________________________________________________________________________________ Seen in many types of glands and their ducts Also seen in the walls of kidney tubules Simple Columnar Epithelium _______________________________________________________________________________ Have 3 common modifications: 1. Goblet cells – cells that produce mucus that coats the epithelial membrane 2. cilia 3. microvilli Associated with stomach, intestine, uterine, and respiratory tract Pseudo-Stratified Columnar Epithelium A single layer of irregularly shaped columnar cells that appear to be stratified due to the cells having ________________________________ and the nuclei being at various locations. Found in the lining of the __________________________________ and the male urethra Stratified Squamous Epithelium Cells ________________________________________ are squamous and cells _________________ _____________________________________________ are cuboidal or columnar. Found in places where friction is common Stratified Cuboidal Epithelium Stratified Columnar Epithelium Found mainly in the ducts of large glands. Transitional Epithelium _______________________, simple squamous epithelium The shape of the cells depends on the ________________________________________________ Connective Tissue A. Characteristics of Connective Tissue Consists of cells and________________________________________________________________. B. Functions of Connective Tissues 1. ____________________, Protection, and ___________________________. 2. Stores fat. 3. _________________________________________________. 4. Provides _________________________________________________________. C. Types of Connective Tissue 1. _______________________ 2. Cartilage 3. _______________________ 4. Blood 5. __________________________________________________ Muscle Tissue A. Characteristics of Muscle Tissues 1. Contractile tissue that____________________________________________________________ 2. Composed of specialized cells that are able to ________________________________________ 3. Connect to bones by tendons. B. Types of Muscles Tissues. 1. ________________________ - attached to bones and under voluntary control 2. ________________________ - found in the wall of hollow organs and involuntarily controlled 3. Cardiac – found _______________________________________ and involuntarily controlled Nervous Tissue A. Characteristics of Nervous Tissues 1. Conducts electrical impulses 2. _____________________________________________ from one area of the body to another