the digestive system
All of the following are organs except __________.
The digestive system is responsible for breaking down food into smaller components that can be absorbed by the body. It is comprised of a series of organs that work together to carry out this process.
The first stage of digestive system is the ingestion of food through the mouth. The teeth and tongue help to chew and mix the food with saliva, which contains enzymes that begin breaking down carbohydrates in the food.
From the mouth, the food passes through the esophagus into the stomach. Here, powerful muscles churn the food and mix it with stomach acid and enzymes that break down proteins. The mixture, called chyme, then passes through the small intestine where nutrients are absorbed into the bloodstream. The small intestine is lined with tiny finger-like projections called villi that increase the surface area available for absorption.
Any remaining waste passes into the large intestine where water is absorbed and the feces is formed. The feces are stored in the rectum and eliminated through the anus during defecation.
Overall, the digestive system plays a vital role in maintaining our health and wellbeing. Proper nutrition is essential for optimal bodily function, and the digestive system provides the means to achieve this by breaking down food and absorbing the necessary nutrients.
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