Metastasis refers to
A) the measured growth rate of benign tumors.
B) the spread of malignancy across body parts.
C) one specific variety of breast cancer.
D) a particularly deadly form of lung cancer.
Question 2
The main difference between benign and malignant tumors is
A) that malignant cells can invade surrounding tissues.
B) the ability of benign tumors to metastasize.
C) the size of the tumor each produces.
D) that benign tumors attack nearly any tissue, whereas malignancies are specific to animal (including human) tissue cells.
Polyps and polyposis. A polyp is a protruding growth from a mucous membrane lining a hollow organ. I
World Population Growth, 1750-2150
Growth Accounting for Europe, A.D. 500–1700
Population Growth in America
This table shows the growth of a crowd at a rally over a 3 h period.
Growth of cultured cells from patients with xeroderma pigmentosum (XP)