What is cocaine? Cocaine is a stimulant drug, which means that it speeds up the messages travelling between the brain and the rest of the body. Cocaine comes from the leaves of the coca bush ( Erythroxylum coca ), which is native to South America.
Above. The heart is SUPERIOR to the diaphragm. ... The liver is INFERIOR to the diaphragm. Anterior (Ventral) Toward the ventral side, toward the front or belly.