6th Class Science Body Movement Body Movements

       Body Movements

The cells that make up a multicellular animal are organized into tissues. A tissue, as you know, is a group of similar cells which cooperate to perform a particular function. Many tissues are grouped together to form an organ. They work together to help the organ to perform its function. Many organs of our body work together to perform the life functions necessary for our survival. For example, the stomach, mouth, liver, pancreas, small intestine and large intestine work together to help us digest food. Together they form the digestive system. A group of organs which work together to help the body perform a life function is called an organ system.

Some organ systems of our body are the circulatory system, urinary system, skeletal system and nervous system. In this chapter, we will discuss only the skeletal system in detail..