Once food is broken down into chemical monomers, the digestive system works by a means of _____________ to move nutrients from the digestive tract into the cells of the body.
absorption
The digestive system works by means of absorption to move nutrients from the digestive tract into the cells of the body. Absorption refers to the process by which the molecules of nutrients are taken up from the digestive tract into the bloodstream or lymphatic system. The absorbed nutrients are then transported to various tissues and organs throughout the body where they are utilized for energy production, growth, repair, and maintenance. The cells lining the walls of the small intestine are responsible for the majority of nutrient absorption, aided by various enzymes and transport proteins. Once the nutrients are absorbed, they enter the circulation and are transported to the liver for further processing and distribution.
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