Which organ is responsible for most of the nutrient absorption in the body?

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The small intestine is the part of the digestive system where 90% of the digestion and absorption of food occurs. The other 10% taking place in the stomach and large intestine. The main function of the small intestine is absorption of nutrients and minerals from food. Digested nutrients pass into the blood vessels in the wall of the small intestine through a process of diffusion.
The gallbladder is a hollow organ that is part of the digestive system. It is involved with the production, storage and transportation of bile. Bile is a yellowish-brown fluid produced by the liver that is used to break up and digest fatty foods in the small intestine.
The components of the digestive system are illustrated below.
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Which Organ Is Responsible for Most of the Nutrient Absorption