Chapter 1 Terms Flashcards
(13 cards)
Anatomy
the science of body structures and the relationships among them
Physiology
the science of body functions-how the body parts work
Atoms
smallest units of matter
Molecules
two or more atoms joined together
Cells
the basic structural and functional units of an organism that are composed of chemicals
Tissues
groups of cells and the materials surrounding them that work together to perform a particular function
Organs
structures that are composed of two or more different types of tissues
Organ System
related organs with a common function
Organism
an living individual; all the pats of the body functioning together
Metabolism
the sum of all the chemical processes that occur in the body
Catabolism
the breakdown of complex chemical substances into simpler components
Anabolism
the building up of complex chemical substances from smaller, simpler components
Responsiveness
the body’s