A level Biology exam revision resources written by A level Examiners


Exam Advice  The human digestive system is a continuous tube running from the mouth to the anus. As food passes through this system, it is mechanically, and chemically broken down. This process is called digestion. The products of digestion are then absorbed into the body. Figure 1 below shows the basic plan of the digestive system.

Figure 1 : Basic plan of the digestive system
Basic plan of the digestive system

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