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.
Delaware State Flower. The Peach blossom (Prunus persica, a native of China, is the Delaware State Flower. The peach tree bears a juicy fruit of the same name. Peach blossoms are produced in early spring before the leaves.