Chemical digestion in the small intestine relies on the activities of three accessory digestive organs: the liver, pancreas, and gallbladder . The digestive role of the liver is to produce bile and export it to the duodenum. The gallbladder primarily stores, concentrates, and releases bile.
The esophagus is a long, muscular tube that connects an animal’s stomach to its mouth. Distinct from the windpipe, which transports air into and out of the lungs, the esophagus usually carries food and water from the mouth to the stomach. However, during vomiting, the esophagus carries stomach ...
The large intestine is the final section of the gastrointestinal tract that performs the vital task of absorbing water and vitamins while converting digested food into feces. Although shorter than the small intestine in length, the large intestine is considerably thicker in diameter, thus giving it its name.
Human digestive system - Pharynx: The pharynx, or throat, is the passageway leading from the mouth and nose to the esophagus and larynx. The pharynx permits the passage of swallowed solids and liquids into the esophagus, or gullet, and conducts air to and from the trachea, or windpipe, during respiration.
The rectum serves as a temporary storage place for feces before they are expelled by the anus. The rectum is the final part of the large intestine and a component in the lower gastrointestinal tract. On average, the length of the rectum in humans is 10 to 12 centimeters.
salivary glands is to secrete saliva which in turn keeps both the mouth and the digestive system wet. Saliva is a fluid that consists of mucous, water, electrolytes and enzymes. Along with saliva, these glands also secrete amylase that plays an important role in the decomposing of maltose and starch.
Your small intestine and digestion. The small intestine is a long tube that is approximately 18 feet long (6 meters). The small intestine is called small because the diameter or the width of the tube is much less than the large intestine. The parts of the small intestine include the duodenum, jejunum and the ileum.
The stomach and its role in digestion. The stomach is a muscular sac that lies between the esophagus and the small intestine in the upper abdomen. The stomach is not the only part of your digestive system that absorbs food but rather is a part of the digestive system and important for churning food into a consistency that is easier to digest ...