Human Physiology – The Digestive System (Part 1)
🧑⚕️ Human Physiology – The Digestive System (Part 1) 🌿 Introduction to Human Physiology Human physiology is the study of how the human body functions. It encompasses the mechanisms and processes that occur in various organ systems to maintain homeostasis , or balance, within the body. In this chapter, we will focus on the digestive system , one of the most essential systems that allow the body to obtain nutrients and energy from food. 🌱 The Digestive System – Overview The digestive system is responsible for breaking down food into smaller molecules that can be absorbed into the bloodstream. This system includes various organs and accessory structures, which help in the physical and chemical breakdown of food. Key Components of the Digestive System : Mouth : The entry point for food where the mechanical breakdown begins through chewing, and saliva starts the chemical digestion of carbohydrates. Esophagus : A muscular tube that connects the mouth to the stomach. ...