Quarks - 6 - up, down, top, bottom, charm, strange
Subatomic - protons (positive charge), neutrons (little to no charge) and electrons (negative charge) - made of quarks
(Forces of Physics - gravitation (classical fields), strong nuclear, weak nuclear, and electromagnetism (quantum fields))
Atomic - elements, amount of subatomic, protons = atomic number, each element 1 atomic number - always - usually the same amount of p,n, and e
Molecules and compounds - putting together atoms
Cells - molecules working from nucleus and DNA, RNA, organelles, and other cellular structures - utilizing molecules, compounds, even atoms
Tissues - cells working together for a common purpose
Organs - tissues working together for a common functioning
Systems - organs working together
Life - all systems - respiratory (breathing), circulatory (blood), digestive (food), endocrine (glands), excretory (waste), integumentary (skin), muscular (movement), skeletal (structure), nervous (brains), lymphatic (immune), urinary (waste), reproductive (sex)

R DINER MUSCLE
REINDEER MUSCLE

good acronym