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.
The bodies of organisms are organized into functional systemsâcells are organized into tissues, and tissues are organized into organs. Body systems carry out critical functions, such as locomotion, reproduction, digestion, and circulation. Cells are arranged in hierarchical levels of organization. 2  The lowest form of organization is the cell followed by tissues, organs, and organ systems. 3  A tissue is a group of similar cells in an organism working together to perform a particular function (e.g. nerve or muscle tissue).