The human digestive system is the means by which tissues and organs receive nutrients to function. (2)Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Shatin, Hong Kong.
While the intestines are found to be mainly affected by Crohn’s disease, even other parts of the digestive tract may develop this condition. The novel coronavirus disease is currently causing a major pandemic. The digestive system is also known by a number of other names, including the gut, the digestive tube, the alimentary canal, the gastrointestinal (GI) tract, the intestinal tract, and the intestinal tube. The human digestive system. Symptoms include ulcers, diarrhea, abdominal pain and blood in stools. On its trip, it’s mixed with acids and digestive juices, and squeezed and squelched until all the nutrients that the body needs are absorbed. Pages 39-50 .
3 - THE STOMACH: BASIC FUNCTIONS. Wong SH(1)(2), Lui RN(1)(2), Sung JJ(1)(2). Pages 19-38. In this lesson we will look at the various organs of the digestive system and how they work together to digest and absorb food. Digestive system. Throughout this process, there are many organs that contribute to the breaking down of food. It takes around 24 hours for your dinner to wind its way through the nine-metre-long digestive tract. Ulcerative Colitis. Select 4 - THE STOMACH: … It also eliminates all the waste products from the body. Pages 1-18. Common diseases of the digestive system include Crohn’s disease, which is characterized by inflammation of the walls of the digestive tract. 2 - THE MOUTH, SALIVARY GLANDS AND OESOPHAGUS. Select 2 - THE MOUTH, SALIVARY GLANDS AND OESOPHAGUS. The human digestive system provides the body with all the necessary carbohydrates, vitamins, fats and amino acids, that keep the estimated 50-75 trillion cells, functioning. Select 3 - THE STOMACH: BASIC FUNCTIONS.
The system breaks down food, extracts nutrients from it, and converts them into energy. Covid-19 and the digestive system. The digestive system is a group of organs responsible for the conversion of food into absorbable chemicals which are then used to provide energy for growth and repair. The digestive system allows us to utilize food from such diverse sources as meat from an animal and the roots of a plant, and utilize them as an energy source. Author information: (1)Institute of Digestive Disease, The Chinese University of Hong Kong, Shatin, Hong Kong. 1 - OVERVIEW OF THE DIGESTIVE SYSTEM. Book chapter Full text access. Find out about the digestive system by watching the animation and trying the activity in this KS2 Science guide. Book chapter Full text access.