Answers

2016-06-22T18:33:28+08:00
Mouth, salivary gland, esophagus, stomach, liver, gall bladder, pancreas, small and large intestine, appendix, rectum, anus
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And what are the parts of respiratory system
Nose, pharynx, larynx, trachea, bronchi, bronchioles, lungs, alveoli