The esophagus, which passes food from the pharynx to the stomach, is about 25 cm(10 inches<span>) in length; the width varies from 1.5 to 2 cm (about 1 inch). The esophagus lies behind the trachea and heart and in front of the spinal column; it passes through the diaphragm before entering the stomach.</span>
1. Circulatory system = the parts of the body that are related to the movement of blood
2. Internal system = the organs inside the body and how they function together
3. Muscular System = the part of the body that is made up of the muscles
4. Skeletal system = The bones found in the body
Approach: if you suspect someone may need a hand, walk up, greet them and identify yourself. Help them out.
