Answer:
Examples of paradigm shifts are the movement of scientific theory from the Ptolemaic system (the earth at the centre of the universe) to the Copernican system (the sun at the centre of the universe), and the movement from Newtonian physics to the theory of relativity and to quantum physics.
Explanation:
I believe the answer is "confidential"
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>
