CNA Flashcards
homeostasis
condition where body system are working together and maintain internal stability
metabolism
physical and chemical process in which substances are broken down or trasnformed into enegry
organs
instructional units in the human body which perform specific functions
tissues
groups of cells that perform similar tasks
cells
basic structural units of the body that divide develop and die renewing tissues and organs
integument
natural protective covering
dilate
widen
constrict
narrow
bones
ridged connective tissues that make up skelton
joint
place where two bones meet
muscles
group of tissues that provide movement for the body and protect organs and basic body heat
atrophy
wasting away decreasing in size weakening of muscles from lack of use
Contracture
permanent and often painful shortening of muscle tendons usually due to a lack of activity
central nervous system
part of the nervous system that is composed of the brain and spinal cord
peripheral nervous system
made up of nerves and extended throughout the body