2Bell Work 10/12/09 How do you think you did on the benchmark? How did you study for the benchmark and how long did you study for the benchmark?List three things that you are going to do this quarter differently to help improve your science grade.
31.1 VocabTissue – group of similar cells that work together to perform a particular functionOrgan – a structure that is made up of two or more types of tissue that work together to carry out a function in the body
4Organ system – a group of organs that together perform a function that helps the body meet its needs for energy and materialsHomeostasis – the ability of your body to maintain internal condition
5Types of TissueEpithelial tissue – covers all the inner and outer surfaces of the body. Each organ is covered with thisNerve tissue – (messaging system) cells in nerve tissue carry electrical impulses between your brain and the various parts of your body in response to changing conditions
6Type of Tissues (cont)Muscle tissue – movement results when muscle cells contract, or shorten, and when they relax.Connective tissue – holds parts of the body together, providing support, protection, strength, padding, and insulation. (ex. Tendons and ligaments)