WebThe digestive system is made up of the digestive tract and other organs that help the body break down and absorb food. It is a long, twisting tube that starts at the mouth and goes through the oesophagus, stomach, small intestine, large intestine and anus. The digestive system breaks down food into nutrients such as carbohydrates, fats and ... Webmouth. [ mowth] 1. an opening or aperture. 2. the oral cavity, which forms the beginning of the digestive system and in which the chewing of food takes place. The mouth is also the …
The digestive and excretory systems review - Khan Academy
WebAir enters the body and is warmed as it travels through the mouth and nose. It then enters the trachea. The trachea divides into two bronchi. One bronchus enters each lung. Each bronchus branches... WebTeeth grind and break up food (mechanical), while an enzyme in saliva called amylase begins to break down carbohydrates (chemical). After it is swallowed, the chewed food … robert tonsing
How the Lungs Work - The Respiratory System NHLBI, NIH
WebThe mouth contains many other organs - such as the teeth, tongue, and the ducts of the salivary glands - that work together to aid in the ingestion and digestion of food. The … Webof hollow organs joined in a long, twisting tube from the mouth to the anus. The hollow organs that make up the GI tract are the mouth, esophagus, stomach, small intestine, large intestine—which includes the rectum—and anus. Food enters the mouth and passes to the anus through the hollow organs of the GI tract. The liver, pancreas, WebYour mouth, or oral cavity, is an oval-shaped opening in the skull. It starts at the lips and ends at the throat. It’s important to several bodily functions, including breathing, speaking, … robert toney dallas texas