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7 Cards in this Set

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  • Back
Tissue
Groups of cells that are similar in structure and perform a common function
Four basic tissue types
Epithelial
Connective
Muscle
Nervous
Epithelial tissue
a sheet of cells that covers a body surface or lines a body cavity
Functions of Epithelial tissue
1. protection
2.absorbtion
3.filtration
4.excretion
characteristics of epithelia
1. cellularity
2.specialized contacts
3.polarity
4. supported by connective
tissue
5.avascular
6.innervated
how epithelia is named
shape and number of layers
Simple squamous
allows passage of materials by diffusion and filtration. secretes lubricating substance in serosae