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Anatomy and physiology of the digestive system

Anatori Sealife Comments 0 11th April 2019
Anatomy and physiology of the digestive system without food

Anatomy and physiology. Firstly, every cell in the human body needs carbohydrates, fats, proteins, vitamins, water, and minerals. They are necessary to perform the daily metabolic processes involved in maintaining a living system. Secondly, our digestive system extracts most of these substances from the food we eat as it passes through the digestive tract. For instance, that is the tube that begins with the mouth and ends at the anus. The primary function of the gastrointestinal tract is to transfer these materials from the external environment to the internal environment and elimination of food.



Anatomy and physiology. Food.

Besides, absorption of nutrients does not occur in the ingested state. The digestive system must break them down into smaller molecular components before this transfer can occur.

This process is Digestion and maybe through mechanical or chemical means. Absorption refers to the movement of small molecules from the digestive tract into the blood and lymphatic vessels.

We usually discuss the anatomy and physiology of the digestive tract in the order that food passes through it. We also address accessory organs and glands when appropriate.


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