cell flashcards
organelle
a structure in a cell that performs a particular function.
cytosol
a jelly-like fluid that fills the space inside a cell.
specialized cell
a cell with unique structures to perform certain functions in the body.
organ
a body part that performs a specific function.
intestinal lining cell
a cell with finger-like structures that help it absorb water.
vacuole
an organelle that stores fluids, nutrients and wastes.
chlorophyll
the green substance in plant cells that absorbs sunlight.
neuron
a branched cell that sends signals in the brain or through nerves.
chloroplast
an organelle that absorbs sunlight energy and stores it in sugars.
mitochondrion
an organelle that breaks down sugars to supply energy.
cell membrane
a thin layer that forms the boundary of a cell.
muscle cell
a long, thin cell that changes shape by contracting.
animal cell
the basic unit of animal tissues and organs.
nanometer
a unit of length equal to one billionth of a meter.
micrometer
a unit of length equal to one billionth of a meter.
multicellular organism
a living thing made up of two or more cells.
fat cell
a large cell that stores excess energy from food.
tissue
a group of similar cells that work together.
white blood cell
a cell that helps to protect the body from infections.
cell wall
a rigid structure that protects and strengthens some cells.
plant cell
the basic unit of plant tissues and organs.
nucleus
an organelle that controls a cell’s activities.
red blood cell
a small, round cell that carries oxygen around the body.
cell
the smallest unit of life.
unicellular organism
a living thing made up of a single cell.
cell division
the splitting of a cell to form two new cells.
