The Tissue Level of Organization
What is a Tissue?
tissue is a group of cells that have a common embryonic origin and function together to
carry out specialized activities
Tissues may be: Hard (bone), semisolid (fat), or liquid (blood)
is the science that deals with the study of tissues.
specialized in laboratory studies of cells and tissue for diagnoses
4 Types of Tissues and their origins
Covers body surfaces and lines hollow organs, body cavities, duct, and forms glands Connective-
Protects and supports body and its organs. Binds organ together, stores energy
as fat, provides immunity to disease causing organisms.
Generates the physical force needed to make bo