That's why I always recommend starting with a blog or website first. Create a content website on a very focused theme/niche. Build up traffic to that website through continuous, useful updates. Learn how to market the website, and as your following grows, then you'll have people to promote your social network to.
Human body. The human body is the entire structure of a human being. It is composed of many different types of cells that together create tissues and subsequently organ systems. They ensure homeostasis and the viability of the human body. It comprises a head, neck, trunk (which includes the thorax and abdomen), arms and hands, legs and feet.
Students use a worksheet to review the different body systems. BACKGROUND: The human body is composed of interactive systems. Most organs in the body are necessary, a few like tonsils are not. There are specific functions for each of the organs in the systems, but they cannot operate by themselves. Below is a chart that will help you review the different systems with your students.