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==Key Stage 3=====Meaning===A tissue is a group of similar [[Specialised Cell|specialised cells]] working together. ===About Tissues===: When a large number of identical cells [[Specialised Cell|specialised cells]] are found in the same place it is called a [[tissue]].: [[Sperm]] do not work together so semen is not counted as a [[tissue]].: An [[organ]] is many [[tissue]]s working together.: Some [[tissue]]s in [[vertebrate]]s that you should know:*[[Blood]]*[[Muscle Tissue]]*[[Nerve Tissue]]: Some [[tissue]]s in [[plant]]s that you should know:*[[Xylem tissue]]*[[Root Hair Tissue]]*[[Palisade Tissue]] {| class="wikitable"|-|[[File:MuscleCellClipart.png|center|200px]]|[[File:MuscleCells.png|center|200px]]|-| style="height:20px; width:200px; text-align:center;" |Text| style="height:20px; width:200px; text-align:center;" |Text|-|[[File:XylemCellClipart.png|center|200px]]|[[File:PlantVeinCrossSection.png|center|200px]]|-| style="height:20px; width:200px; text-align:center;" |Text| style="height:20px; width:200px; text-align:center;" |Text|-|[[File:PalisadeCellClipart.png|center|200px]]|[[File:LeafCrossSection.png|center|200px]]|-| style="height:20px; width:200px; text-align:center;" |Text| style="height:20px; width:200px; text-align:center;" |Text|}