What is a body system?
o the smallest part of the body, also known as a cell
O a collection of organs or structures whose coordinated activities perform one or more vital functions
separate parts of the body that work on their own
a way of classifying body components such as cells, tissues, and organs according to their shared origin and
function
An organ system is a group of organs that work together as a biological system to perform one or more functions. Each organ does a particular job in the body, and is made up of distinct tissues.