An individual must hold an Administrative Services Credential to provide the following services in grades preschool, Kâ12 and adults: Evaluate the quality and effectiveness of instructional services at the school site level.
1 Release of water, acids, enzymes, and buffers by the digestive tract and by the accessory organs into the lumen of the digestive tract. 2  Absorption. 3  Movement of small organic molecules, electrolytes, vitamins, and water across the digestive epithelium and into the blood and lymph.astrointestinal (GI) tract (also called alimentary canal or digestive tract). 1  The GI tract is a continuous tube running from the mouth to the anus. 2  It includes the following organs: 3  mouth. 4  pharynx. 5  esophagus. 6  stomach. 7  small intestine. 8  large intestine.
The ANS controls digestive functions such as: secretion of saliva from the salivary glands, peristalsis to move food along the digestive tract, gastric acid production in the stomach, sphincter open and closing, hormone release from glands in the digestive system, and the storing energy in the form of fat.ntrinsic nerves within the walls of the esophagus, stomach, small intestine, and large intestine react when their walls are stretched by food. They cause the release of substances that speed up or slow down the movement of food, and the production of juices, by the digestive organs.