1, heart
The heart of a normal adult is slightly larger than a fist and weighs about 300 grams. It is slightly conical, located between the lungs on the diaphragm, slightly to the left, and the apex is located at the lower left.
2, liver
Liver is an organ with metabolic function, and it plays a full role in deoxidation, storage of liver sugar, synthesis of secretory protein and so on.
3, lungs
The lungs are lobulated, two on the left and three on the right, and five on the * * *. The lung is connected with the throat and nose through the lung system (trachea, bronchus, etc.), so the throat is called the portal of the lung and the nose is the orifice outside the lung.
4, stomach
The stomach is located under the diaphragm, connected to the esophagus and connected to the small intestine. The upper mouth of the stomach is cardia and the lower mouth is pylorus. Stomach is also called epigastric cavity (gu m ���������������653333
5, kidney
Kidney is a part of the urinary system, which is responsible for filtering impurities in blood, maintaining the balance between body fluids and electrolytes, and finally producing urine to be excreted through urethra; At the same time, it also has endocrine function to regulate blood pressure.
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