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.
Located on 28th Street between 6th and 7th Avenues, Manhattanâs flower district is home to a wealth of wholesale retailers that specialize in everything from fresh-cut flowers, exotic plants, pottery and ceramics, foliage, silk flowers, trees, etc.