随着年龄的增长,老年教师的消化功能发生了明显变化。首先是面部管咀嚼的肌肉发生萎缩,嚼东西时牙齿无力,也有的牙齿松动或者脱落,咀嚼坚韧的食物如瘦肉等更是感到费力。其次是口腔的唾液腺萎缩,唾液分泌减少,味觉减退,吃东西时吃不出滋味来。第三是胃肠肌肉萎缩,蠕动减弱,消化食物的能力降低,所以吃饭后很长时间不感到饥饿。第四是内分泌和新陈代谢发生变化,如饮食不加节制容 With age, the digestive function of senile teachers has changed significantly. The first is the facial tube chewing muscles atrophy, chewing teeth weakness, and some teeth loose or fall, chewing tough food such as lean meat is even more strenuous. Followed by oral salivary gland atrophy, decreased salivary secretion, taste diminished, eating can not eat taste. The third is gastrointestinal muscle atrophy, decreased peristalsis, decreased ability to digest food, so a long time after eating do not feel hungry. Fourth, endocrine and metabolic changes, such as diet without restraint capacity