What is a group of systems functioning together?
A group of organs that work together to perform bodily functions are called organ systems. There are eleven organ systems: the circulatory, intergumentary, skeletal, reproductive, digestive, urinary, respiratory, endocrine, lymphatic, muscular and nervous systems. Organ systems functioning properly are necessary to a normal life.
What is the importance of the cardiovascular and respiratory systems working and functioning together correctly?
Yes. This is called the levels of complexity. Chemicals are used to make cells. Cells that have the same form and function are called tissues. A group of tissues with a similar function are called tissues. Groups of tissues that all share a common function are called organs, a group of organs with the sme function are called a system. And, finally, a group of organ systems functioning together are called an organism!