Anatomy & Physiology Unit 1.1.1 - 1.1.3

Organ

functionally distinct structure composed of 2 or more types of tissues

Organ system

group of organs that work together to carry out a particular function

Tissue

group of similar or closely related cells that act together to perform and specific function

Physiology

science that studies the chemistry, biochemistry, and physics of the body's functions

Homeostasis

steady state of body systems that living organisms maintain

systemic anatomy

study of structures that contribute to specific body systems

Gross anatomy

study of the larger structure of the body (w unaided eye) macroscopic anatomy

regional anatomy

study of the structures that contribute to specific body regions

Microscopic anatomy

study of very small structures of body using magnification

Anatomy

Science that studies the form and composition of the body's structures

Cell

Smallest independently functioning unit of all organisms (in animal) contains cytoplasm, composed of fluid and organelles

Organism

living being that has cellular structure and that can be independently perform all physiologic functions necessary for life