Unit B Cells and Systems Flashcards
for final exams
functions
purpose or task
organ system
group of organs that work together to perform a certain function
Organ
group of tissues that work together to perform a certain function
organisms
living things
stimulus
anything causing change in an organism
structures
parts of an organism that perform specific tasks
response
organs reaction to a stimulus
capillaries
tiny blood vessels that connect to arteries to veins
cells
basic unit of life
cell membrane
thin structures that enclosed the contents of plant and animals cells
cell wall
outer covering of a cell that provides stregth and support
cilia
hair like extentions that protect from the surface area of aome unicellular organisms and form cells
compound light microscope
microscope that has two or more lenses and has light sorces
chloroplasts
organelles that convert sunlight into food
cytoplasm
contents of the cell inside the cell membrane excluding the nucleus