BODY PLANES: Imaginary flat surfaces
LEVELS OF STRUCTURAL ORGANIZATION:
ORGANELLE
Any of various membranous sacs or other compartments inside the cell
that separate different metabolic reactions within the cellular space and
in time.
CELL
Smallest living unit; may live independently or may be a specialized part of a multicellular
organism.
TISSUE
A group of cells and intercellular substances functioning together
in a specialized activity.
ORGAN
One or more types of tissues interacting as a structural and functional
unit.
ORGAN SYSTEM
Two or more organs that interact chemically and or physically to perform
a common task.
ORGAN SYSTEMS
FOUR CATEGORIES OF TISSUES:
TYPES OF EPITHELIAL TISSUE:
TYPES OF CONNECTIVE TISSUE: