Grade 8 science english medium chapter 09 human organ systems part 2 science lessons is for all the grade 8 english medium students have a nice day . Ms richmond grade 8 science welcome instructions the human body is made up of several organ systems that all work together as a unit there are 10 major organ systems in the body each of which plays a different role in helping the body work click on the button below to read a brief overview of each of these body systems. Your skin hair and nails protect the tissue that lies beneat works with the skeletal system to help you move your bones provide a frame to support and protect your body pa your heart pumps blood through all your blood vessels integumentary system your skin hair and nails protect the tissue that lies beneat. These solutions for human body and organ system are extremely popular among class 8 students for science human body and organ system solutions come handy for quickly completing your homework and preparing for exams all questions and answers from the general science solutions book of class 8 science chapter 11 are provided here for you for free. Tissue the tissue is defined as a group or layer of similarly specialized cells which together performs certain special functions cells combine together inside the body to form a tissue each of which has a specialized function eg blood muscles bone etc blood is a kind of tissue which also consists of many cells and provides transportation inside our bodies and helps in movement