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>
The best answer to the health and workout question above would be overload. It is evident that the person developed knee pain from running everyday - a sign that the knee was put on a greater amount of stress. This principle of sport training is called the overload and is used to strengthen the ability of that certain muscle to work efficiently.
The cerebrum- it fills up most of your brain, it is involved with remembering, problem solving, thinking, and feeling.
The cerebellum- is inthe back of your head, under the cerebrum. It controls your coordination and balance.
The brain stem- also beneath cerebrum, controls messages between brain.
