what do you call cells that are similar and work together
Body Systems: Tissues. At this point students know that cells make up all living things. But cells do not work independently within complex organisms such as plants, animals and of course people. Cells work together in organisms like people in an organized way that allows that organism to survive. This page explains how complex organisms are organized or another way of looking at it would be to say how complex living things are built. All complex organisms are made of groups of cells called tissues. Histologists are scientists that are experts on tissues. Tissues are groups of cells working together to get a certain job done. There are four basic types of tissues that make up the body --->. Organs are a groups of different tissues working together to complete a life function. Organ systems are many organs, tissues and cells working together to complete a life function.