Anatomy And Physiology Of The Small Intestine

The small intestine is between 5 and 6 metres in length and its main functions are to mix food with enzymes to facilitate digestion, to mix the intestinal contents with the intestinal secretions to enable absorption to occur, and to propel the unabsorbed materials in an aboral direction. The small intestinal epithelium has the highest capacity for nutrient and drug absorption within the gastrointestinal tract, due to the large surface area provided by epithelial folding and the villous structures of the absorptive cells.

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Blood Pressure Health

Blood Pressure Health

Your heart pumps blood throughout your body using a network of tubing called arteries and capillaries which return the blood back to your heart via your veins. Blood pressure is the force of the blood pushing against the walls of your arteries as your heart beats.Learn more...

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