Organized groups of cells (plus their intercellular substances) that have a common purpose form a(n) ________.

Organized groups of cells (plus their intercellular substances) that have a common purpose form a(n) ________.

Organized groups of cells (plus their intercellular substances) that have a common purpose form a(n) ________. 











A) organ
B) tissue
C) organism
D) organ system











Answer: B