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TissueTissue
An aggregation of cells and cell An aggregation of cells and cell products of similar structure and products of similar structure and embryonic origin that perform a embryonic origin that perform a
common functioncommon function
Basic Tissue TypesBasic Tissue Types
EpithelialEpithelial ConnectiveConnective MuscleMuscle NervousNervous
OrganOrgan
An aggregation of tissues An aggregation of tissues organized into a functional unitorganized into a functional unit
Epithelial TissueEpithelial Tissue
Sheet-like layer of cellsSheet-like layer of cells Cover surfaces or line cavitiesCover surfaces or line cavities Often has glandular cells for fluid Often has glandular cells for fluid
secretionsecretion EndotheliumEndothelium
Epithelium that lines heart, blood Epithelium that lines heart, blood vessels and lymphatic vesselsvessels and lymphatic vessels
Connective TissueConnective Tissue
Tissue that connects Tissue that connects Loose connective tissue Loose connective tissue
adipose (fat)adipose (fat) Dense connective tissue Dense connective tissue
cartilage cartilage BoneBone
Vascular tissueVascular tissue Erythrocytes: Red Blood Cells – carry oxygenErythrocytes: Red Blood Cells – carry oxygen Leucocytes: White Blood Cells – part of the immune Leucocytes: White Blood Cells – part of the immune
systemsystem Platelets - clottingPlatelets - clotting
Muscle Tissue TypesMuscle Tissue Types
Smooth Muscle (=Involuntary Smooth Muscle (=Involuntary Muscle)Muscle) Ex. Small intestineEx. Small intestine
Skeletal Muscel (=Voluntary Muscle)Skeletal Muscel (=Voluntary Muscle) Ex. Large muscles of bodyEx. Large muscles of body
Cardiac Muscle Cardiac Muscle
Nervous TissueNervous Tissue
Includes Nerves, Spinal Cord, BrainIncludes Nerves, Spinal Cord, Brain Cells are called neuronsCells are called neurons