It was different from normal tumor tissue. What he had seen before was a part of the body. Although it was abnormal growth and had pathological changes, it was still a part of the body.
However, the huge watermelon in front of him seemed to have its own independent circulatory system. The stem was the tube, and it kept wriggling ... Wriggling ...
The venous blood entered the heart, passed through the right atrium, entered the right ventricle, and then into the pulmonary artery to participate in blood oxygen exchange.
After blood oxygen exchange, the blood would enter the left atrium through the pulmonary vein, enter the left ventricle, and enter the ascending aorta.
This was the normal blood circulation pathway of the heart.
The reason Zheng Ren thought of this was that the big watermelon's pulse was not consistent with his heart 's. It was much faster.
