Matter
anything that occupies space and has mass
Atom
smallest unit of matter
Nucleus
Central core of atom
Proton
Positively charged particle in nucleus
Neutron
Uncharged particle in nucleus
Atomic number
Number of protons in nucleus
Atomic mass
Number of protons and neutrons combined
Different types of bonds
Ionic, water, covelant
Cell
smallest structural unit
4 quadrants of the body
RUQ, LUQ, RLQ, LLQ
homeostasis
balance of the body
Ribosome
protein factories
R.E.R
Rough Endoplasmic Reticulum, it collects, folds, and transports proteins made by ribosomes
S.E.R
Smooth Endoplasmic Reticulum, it makes new membrane for the cell
Golgi apparatus
it's a chemical processing and packaging center
Mitochondria
Mitochondria power plants of the cell
Lysosomes
it digest food and substances that invade the cell
Centrosome
they have an important role in cell division, microtubule-organizing center of cell