Benign tumors are not cancerous. Malignant tumors are cancerous.
Benign tumors usually aren't problematic while malignant tumors grow and spread quickly putting you in harms way.
Answer:
Spinach leaves would be helpful to replace damaged heart tissue because they can replace the damaged blood vessels with the ones that the leaves have.
Explanation:
According to this article, scientists can use spinach leaves to replace the damaged heart tissue by extracting the branching network of the leaves, which is the one that distributes water and nutrients in the leave, we can say that they have the same function as blood vessels in our body. With this network of thin vessels, which is very hard to reproduce with a 3D printer, scientists bathed the structure in human cells that can grow around it since they would be nourished by it. As a result, the tissue will grow from this. The goal is to replace damaged tissue using leaves, this has not been successfully done yet, but scientists have made improvements in this area.
Through small intercellular canals to reach the lumen and through the sweat duct to be secreted at the skin surface.
I hope this helped !