The 2014 Waynesboro, Pennsylvania, population is 10,568. There are 3,097 people per square mile (population density). The median age is 36.7. The US median is 37.2. 52.15% of people in Waynesboro, Pennsylvania, are married. 10.77% are divorced. The average household size is 2.35 people. 24.92% of people are married, with children. 21.16% have children, but are single.
A: A group of tissues that work together to perform a specific function is called an organ. The human body has many organs, and each has its own specific function. In some cases, groups of organs also work together to serve a larger function, and this is known as an organ system.
Living matter is derived from simple chemicals. These chemicals are formed into the complex substances that make living cells-the basic units of all life. Specialized groups of cells form tissues, and tissues may function together as organs. Organs working together for the same general purpose make up the body systems. All of the systems work together to maintain the body as a whole organism. Figure 1 Levels of organization. The organ shown is the stomach, which is part of the digestive system.