Human anatomy is the study of the structure of the human body. This application describes the digestive system, respiratory system and blood circulation system. In the process of the human digestive system there are the liver, stomach, small intestine and large intestine. In the process of the respiratory system there are organs of the nasal cavity, larynx, trachea, bronchi, and lungs. In the process of the human circulatory system, there are heart organs and blood vessels.
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