yläruuansulatuskanavan
Yläruuansulatuskanava, also known as the upper digestive tract or upper gastrointestinal (GI) tract, refers to the section of the digestive system that includes the mouth, pharynx, esophagus, and stomach. It is responsible for the initial stages of digestion, which involve the ingestion, mechanical breakdown, chemical processing, and transportation of food.
The process begins in the mouth, where food is chewed and mixed with saliva, which contains enzymes
The stomach is a hollow organ that performs several functions. It stores food temporarily, mixes it with
The upper digestive tract plays a crucial role in the overall process of digestion and nutrient absorption.
Understanding the anatomy and functions of this system is essential for diagnosing and treating related medical