Importance and function of the mouth in the human digestive system
The mouth is the first organ in the digestive system, and it is a cavity in which the teeth and the tongue exist, and the salivary glands are opened, The function of the mouth...
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Structure and function of the digestive system in the human body
Everyone eats complex food such as bread, cheese, jam and beans in breakfast. So, How can the body benefit from this food every day? The digestive system is responsible for breaking down this complex...
Structure of the human body
The body of the living organism consists of a group of systems, Each system consists of a group of organs, Each organ consists of a group of tissues, Each tissue consists of a group...
What are properties and types of soils?
Sand soil is well-aerated soil that has low absorption of water, clay soil is poorly aerated soil that has a high absorption of water, and silt soil is moderated aerated soil that has moderate...
