Vocab - Into to Tissues, Organs, and Body Systems

Anatomy

The study of structure

Physiology

The study of how structures function

Tissue

A group of cells that perform a specific function

Organ

Two or more types of tissues that together perform a specific task

Organ system

Multiple organs that together perform a vital body function

Organism

Integrate unit made up of a number of organ systems functioning together

Epithelial tissue function

Covers the body and lines its organs and cavities

Epithelial tissue structure

Sheets of closely packed cells anchored to underlying tissues by a basement membrane

Epithelial tissue categories

Simple, stratified, and shape

Connective tissue function

Binds and supports other tissues

Connective tissue structure

Sparse cells in an extracellular matrix

Connective tissue types

Loose connective tissue, fibrous connective tissue, adipose tissue, cartilage, bone, and blood

Muscle tissue function

Movement

Muscle tissue structure

Bundles of long cells called muscle fibers

Muscle tissue types

Skeletal, cardiac, and smooth

Nervous tissue function

Forms a communication network

Neuron

Structural and functional unit of nervous tissue

Neuron parts

Cell body, axon, and dendrites