Blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs. Blood leaves the heart through the aortic valve, into the aorta and to the body. This pattern is repeated, causing blood to flow continuously to the heart, lungs and body.
the most common form of use is via a tablet. Although there are ways to mash the drug, and smoke it, those who do use the drug generally take it in the tablet form.