ASHT provides this section of the website to offer patients and the general public information on hand therapy and common hand conditions. Hand therapy is the art and science of evaluating and treating injuries and conditions of the upper extremity (shoulder, arm, elbow, forearm, wrist and hand).
Human Anatomy Â» Digestive System Â» Small Intestine. Small intestine is the longest part of alimentary canal. It extends from the pylorus of the stomach to the junction between cecum and ileum. Much of digestion and absorption of food takes place in the small intestine. The small intestine is divided into three parts: Duodenum, Jejunum and Ileum.
The upper portion of alimentary canal is mouth. It is bounded by lips and contains cheeks, gums, teeth, tongue and muscles. The teeth in the mouth chew and masticate the food. It increases the surface area of the food so that various enzymes can act on it more effectively.