Aorta. The aorta is the largest blood vessel in the body. It is an artery that directly arises from the heart itself and descends through the thorax and into the abdomen. All the arteries of the body, save the pulmonary arteries, stem from the aorta or one of its main branches.
Ambulance Services. Ambulance Services Overview The Office of Emergency Medical Services licenses all ambulance services that are based in or regularly operate in Massachusetts, and certifies ambulance vehicles. Ambulance services may be private for-profit enterprises, private non-profit entities, municipally run or volunteer services.
The ambulance business has horrible profit margins- 1-2% at most, and tried to cross-subsidize the loss they take on 911 a number of ways- by having the fire department provide the service and shifting some of the overhead costs to fire suppression, by having hospitals run the service, who can justify it as a marketing cost and cross-subsidize the ambulance with profits from admitted patients (but CAN'T actually bill for the ambulance if you are admitted to their hospital-there is a single ...