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.
Organ levelâ an organ is a structure composed of at least two different tissue types that perform a specific function within the body. Examples include the brain, stomach, and liver. Complex functions begin to emerge at this level. Levels of structural organization that make up the human body. Organ system levelâ One or more organs work in unison to accomplish a common purpose. For instance, the heart and blood vessels work together and circulate blood throughout the body to provide oxygen and nutrients to cells.