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.
Most meanings are pleasant ones, and the fondness people have for the flower has placed it in the calendar as the flower for the month of February and made violets the state flower of Illinois, Wisconsin, New Jersey and Rhode Island.