AP BIOLOGY

Detailed explanation-1: -An abnormal mass of tissue that forms when cells grow and divide more than they should or do not die when they should. Tumors may be benign (not cancer) or malignant (cancer).

Detailed explanation-2: -Carcinomas are cancers that arise in epithelial cells that line body cavities. Sarcomas are cancers that arise in mesenchymal cells in bones, muscles, blood vessels, and other tissues.

Detailed explanation-3: -Tumours are groups of abnormal cells that form lumps or growths. They can start in any one of the trillions of cells in our bodies.

Detailed explanation-4: -Neoplasia denotes the process of the formation of neoplasms/tumors, and the process is referred to as a neoplastic process.