Digestion and absorption: Human digestive system

An Oral cavity refers to the mouth through which air and food enter our body. Bucca is Latin for cheek; the Oral cavity refers to the part of the mouth between the teeth and cheeks. It is set at the upper end of the alimentary canal, opens at the lips and empties into the throat. […]

Introduction  Physiology refers to the study of functions and mechanisms of the human body. Human physiology focuses on how the different chemical reactions occur inside the body. It includes the study of the functioning of cells, tissues, and the organ system. Physiology is extremely important as it gives us in-depth knowledge of body functions. This

The human body relies heavily on proteins. Muscles, eyes, hair, organs, enzymes and hormones are all made up of proteins. Our body also depends on proteins for repair and maintenance. People can make their bodies consume protein more effectively by ensuring that their protein is of the best quality. Protein  Proteins are the building blocks

One of the most complicated sense organs that we humans have is the eye, which is both crucial and complex in its own right. It aids in the visualisation of things, as well as the perception of light, colour, and depth in our environment. Aside from that, these sense organs are quite similar to cameras

The Oesophagus is a tube-like structure that is hollow from the inside and made of fibres and muscles, through which food and liquids pass and reach the stomach from the mouth, aided by peristaltic contractions. The epiglottis prevents food from going down the larynx and lungs during swallowing. It lies behind the windpipe (trachea) and

Introduction In the human body, some essential nutrients are required to maintain good health. These nutrients that are responsible for energy are carbohydrates, fats and proteins. Besides these, there are also micronutrients such as copper, chromium, iodine, zinc, fluoride, manganese, molybdenum, sulphur, selenium. These nutrients keep the body in good shape, keep the immunity in

Introduction Digestive and nutritional disorders are experienced by all of us at some point in our lives. Many nutritional and digestive disorders can cause uneasiness and pain in the human body. One should know about the nutritional and digestive disorders that can cause pain and uneasiness. Besides knowing about disorders, you should also know about the right nutrition that

The digestive system consists of the digestive tract and other organs that help in the breakdown and absorption of food by the body. It is a long, twisted tube that begins in the mouth and travels through the oesophagus, stomach, small intestine, large intestine, and anus. Food is broken down into nutrients, including carbohydrates, fats, and

The digestive system of the human being comprises the gastrointestinal tract as well as the auxiliary organs of digestion (the tongue, salivary glands, pancreas, liver, and gallbladder).  Human digestive system begins when food enters the mouth, where mechanical digestion begins with the action of mastication (chewing), which is a type of mechanical digestion, and the

Chyme is formed in the stomach as a result of the digestion of food, which occurs after it has been digested and swallowed and before it has passed through the oesophagus into the stomach.  Chyme travels from the stomach to the duodenum, where it is digested.  There, it combines with bile and pancreatic fluids, which