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30 Cards in this Set

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Bacteria
the smallest organisms on Earth; they are one-celled organisms.
Cytoplasm
a gelatinlike substance inside of the cell. It is mostly water.
Organ System
a group of organs that work together to do a certain job.
Organs
different types of tissues working together can form a structure
Mitochondria
(except bacteria cells) converts food energy into a form that cell can use Cellular respiration takes place inside a mitochondrion.
Photosynthesis
a process by which many types of bacteria make food.
Vacuoles
where food and water is stored.
Cell wall
the structure outside the cell membrane. It helps support and protects the cell.
Chloroplasts
captures energy from sunlight and uses it to convert carbon dioxide and water into food.
nucleus
the hereditary material in the organelles. The nucleus controls most of the cell’s activities.
organelles
specialized cell parts that can move around in the cytoplasm and perform activities that are necessary for life. All cells except bacteria cells contain organelles.
cell membrane
a flexible structure that holds the cell together.
tissue
groups of similar cells that all do the same sort of work.
Nerve Cell
characteristic of an organism that helps it to survive in its environment
function
what a cell's shape and size is related to
organism
a group of organ systems working together
cell
the smallest living unit in the body.
organ
two or more types of tissue working together
bone cell
cell surrounded by calcium and phosphorous.
fat cell
can store so much fat that the nucleus gets pushed against the cell membrane.
nerve cell
long and with many branches that receive and deliver messages
muscle cells
usually long and have many fibers that can contract and relax
skin cells
mostly flat and close together. They form a protective layer for the body.
nucleus
where the hereditary material of the cell is held, except in bacteria.
Vacuoles
a place for storage inside the cell
Cell wall
the outer support and protective coating of a plant cell.
mitochondria
the energy producing units of a cell
photosynthesis
the process of capturing energy and converting it to food in the chloroplasts.
organelle
performs activities necessary for the cell's life.
photosynthesis
process of making energy in plants