Unit 4 Vocabulary

short hair like projection that produces movement

temporary cytoplasmic projection used by some protist by movement

organ system that permits blood and lymph circulation to transport nutrients to and from the cells

transmits signals betwwen parts of the body

system that secretes hormones directly into the bloodstream to control the organism's physiological and behavioral activities

maintaining internal equilibrium by adjusting physiological processes

structure that contains the cells genetic matirial in the form of DNA

cerebal cortex that receives afferent nerve fibers

unicellular organism that lacks a nucleus

organisms whos cells contain a nucleus

system that contains all the bones and joints in the body and provides support and an attatchment point for muscles

system that is responsible for the movement of the body

thin, flexible barrier that surronds all cells; regulates what enters and extits the cell

specialized tissue in plants that carries water and nutrients

when a cell gets rid of materials that it has used or doesn't need

collection of metabolic wastes from body tissues and the elimination from the body

ratio between water assimilted into the body that is lost from the body

the acidity or alkalinity of a substance

numerical measure of hot or cold