Key points. 1  Humansâand other complex multicellular organismsâhave systems of organs that work together, carrying out processes that keep us alive. 2  The body has levels of organization that build on each other. Cells make up tissues, tissues make up organs, and organs make up organ systems.
The rose was designated as the official state flower of New York in 1955. The rose is a symbol of love and beauty (as well as war and politics) the world over.
U.S. State Flowers. Below you will find an easy to use list of all the lovely US state flowers. A state flower is a carefully chosen and important symbol of a particular state that reflects an appreciation for the natural floral beauty of that state.