11.1: Organization of the Human Body Difficulty Level: At Grade Created by: CK-12 CK-12 Life Science Concepts For Middle School Human Biology % Progress Practice Progress % Practice Now Read Practice Resources Details Loading... Vocabulary Language: English ▼ English cardiovascular system cardiovascular systemOrgan system made up of the heart, blood, and blood vessels. cells cellsBasic unit of structure and function of a living organism; the basic unit of life. connective tissue connective tissueGroup of cells that are all involved in supporting and binding other tissues of the body; i.e. tendon, cartilage, bone, and blood. epithelial tissue epithelial tissueLayers of tightly packed cells that line the surfaces of the body. hormone hormoneA chemical messenger molecule. muscle tissue muscle tissueBands of cells that contract and allow movement. nervous tissue nervous tissueGroup of nerve cells that sense stimuli and transmit signals; found in brain, spinal cord, and nerves. organ organStructure made of two or more tissues that work together. organ system organ systemOrgans that work together to serve a common purpose. tissue tissueGroup of similar cells working together. Image Attributions Description Introduces the levels of organization and the types of tissue in the human body. Learning Objectives None Related Materials Organization of the Human Body Difficulty Level: At Grade Authors: Jessica Harwood Douglas Wilkin, Ph.D. Contributors: Doris Kraus, Ph.D. Niamh Gray-Wilson Jean Brainard, Ph.D. Sarah Johnson Jane Willan Corliss Karasov Editors: Douglas Wilkin, Ph.D. Tags: connective tissue epithelial tissue muscle tissue (3 more) nervous tissue SCI.BIO.911.L.2 SCI.LSC.911.L.1 Subjects: science Life Science Concept Nodes: SCI.LSC.911 (Organization of the Human Body) Grades: 7 , 8 Date Created: Nov 29, 2012 Last Modified: Mar 22, 2015 Vocabulary None You can only attach files to Modality which belong to you If you would like to associate files with this Modality, please make a copy first.