Part = Unit = 1
SINGLE POSITIVE FORCE
SINGLE NEGATIVE FORCE
ATOMS
HYDROGEN ATOM
MOLECULES
WATER MOLECULE
MOLECULES
COMPLEX MOLECULE – NUCLEIC ACID
REPLICATING MOLECULE – DNA
ORGANELLES
ORGANELLE – NUCLEUS
CELLS
CELL
TISSUES
TISSUE
LOBULES OF TISSUE
ORGAN
SEGMENTS OF AN ORGAN
ORGANS
SYSTEMS
Skeletal System exemplifies the concept of parts and bonds magnificently
Muscular System also from 7active studio
BODY
FAMILY
COMMUNITY
NATION
UNITED NATIONS
Examples
NUMBERS
LETTERS
MUSICAL NOTES