Respuesta :
Absorption is the movement of organic molecules in water across the digestive tract epithelium and into the interstitial fluid of the digestive tract.
What is Absorption?
- The molecules, atoms, and ions of the substance being absorbed enter the bulk phase (gas, liquid, or solid) of the medium in which it is taken up.
- Absorption is a chemical or physical phenomenon.
- When something is fully absorbed or blended with another substance, it is said to have undergone absorption.
What is epithelium?
- The epithelium, along with connective tissue, muscle tissue, and nerve tissue, is one of the four fundamental forms of animal tissue.
- It is made up of a thin, continuous layer of tightly packed cells and minimal intercellular matrix.
- The body's external organs and blood vessels, as well as the interior surfaces of many internal organ chambers, are all lined with epithelial tissues.
- The epidermis, the skin's top layer, serves as an illustration.
Learn more about epithelium here:
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