Answer: Shock is a condition in which blood pressure is too low and not enough oxygenated blood can sustain your body. The medical disorder of shock is not the shock that people feel from a sudden traumatic event. In the United States, hospital emergency departments report more than one million cases of shock each year. There are different kinds of shock.
A lilac is a shrub or tree in the genus Syringa, native to Eastern Europe and the temperate regions of Western Asia. Lilacs are immensely popular in gardens all over the world, and some cultures have specific associations with these aromatic, brief-blooming flowers.
Jupiterimages/Photos.com/Getty Images. Lilacs are old-fashioned garden shrubs most appreciated for their spectacular fragrant flowers. Many species and countless cultivars offer different sizes -- from 6-foot dwarf shrubs to 30-foot trees -- as well as flower colors, fragrances and bloom times.According to Ron Smith of North Dakota State University Extension, it takes two to three years before a young lilac produces its first blooms.ilacs do best in full sun and often take up quite a bit of space, so give them plenty of room. A reasonably fertile, well-drained garden loam with a neutral or slightly alkaline pH is ideal, though they'll generally do well anywhere except acidic soils or very heavy clay. Lilacs will drown in standing water.