Cell membrane
protective outer covering of all cells that regulates the interaction between the cell and the environment.
Cytoplasm
constantly moving gel-like mixture inside the cell membrane that contains heredity material and is the location of most of a cell’s life processes.
cell wall
rigid structure that encloses, supports, and protects the cells of plants, algae, fungi, and most bacteria.
organelle
structure in the cytoplasm of a eukaryotic cell that can act as a storage site, process energy, move materials, or manufacture substances.
nucleus
organelle that controls all the activities of a cell and contains hereditary material made of proteins and DNA
chloroplast
green, chlorophyl-containing, plant-cell organelle that uses light energy to produce sugar from carbon dioxide and water.
mitochondrion
cell organelle that breaks down food and releases energy.
ribosome
small cytoplasmic structure on which cells make their own proteins.
endoplasmic reticulum
cytoplasmic organelle that moves materials around in a cell and is made up of a complex series of folded membranes.
Golgi bodies
organelles that package cellular materials and transport them within the cell or out of the cell.
tissue
group of similar cells that work together to do one job.
organ
structure, such as the heart, made up of different types of tissues that all work together.