People confined to wheelchairs often suffer urinary, respiratory, cardiovascular and digestive-system problems, as well as osteoporosis and pressure sores.
长期坐在轮椅上容易得泌尿系统、呼吸系统、心血管、消化系统等多种疾病，会造成骨质疏松，尤其是容易长褥疮。
They can also cause problems for your digestive system.
它们也能给你的消化系统造成问题。
Dietary fiber is incredibly important for your health: it helps to improve your digestive system and avoid problems like constipation.
膳食纤维对你的健康非常重要：它有助于改善你的消化系统，避免便秘等问题。
For the amounts of food it is constantly processing, the digestive system is an incredibly efficient machine, but problems can arise.
对于大量的粮食是不断加工，消化系统是一个难以置信的高效率的机器，但会出现问题。
Photo Gallery: Digestive System For the amounts of food it is constantly processing , the digestive system is an incredibly efficient machine, but problems can arise.
人体消化系统图片。对于大量的粮食是不断加工，消化系统是一个难以置信的高效率的机器，但会出现问题。
Photo Gallery: Digestive System For the amounts of food it is constantly processing , the digestive system is an incredibly efficient machine, but problems can arise.
人体消化系统图片。对于大量的粮食是不断加工，消化系统是一个难以置信的高效率的机器，但会出现问题。
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