Biology - Human Health and Diseases Question with Solution | TestHub

Metastasis is the property by which cancer cells spread from one organ or tissue to other parts of the body through the blood or lymph. These cells form new tumors (secondary tumors) wherever they lodge in the body.

Uncontrolled division of cells and formation of lumps of tissue is called a tumor.

Treatment of cancer by radiation is called radiotherapy.

Answer: spreading of cells from on organ to other via blood.