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.
South Dakota State Flower. The Pasque flower, also known as the May Day flower (Pulsatilla) is the state flower of South Dakota. The Pasque flower grows wild throughout the state of South Dakota. The Pasque flower is a solitary bell-shaped flower, lavender colored, and plumed seed heads, belonging to the buttercup family.