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biology
12 cards·by lauren
circulatory system
the system that circulates blood and lymph through the body, consisting of the heart, blood
vessels, blood, lymph, and the lymphatic vessels
flagella
a slender threadlike structure, esp. a microscopic whiplike appendage that enables many
protozoa, bacteria, spermatozoa, etc., to swim.
cilia
a short, microscopic, hairlike vibrating structure. Cilia occur in large numbers on the
surface of certain cells, either causing currents in
pseudopodia
a temporary protrusion of the surface of an ameboid cell for movement and feeding.
nervous system
the network of nerve cells and fibers that transmits nerve impulses between parts of the body.
endocrine system
the system of glands that produce endocrine secretions that help to control bodily metabolic
activity
cellular homeostasis
in a organism
nucleus
the central and most important part of an object, movement, or group, forming the basis for its
activity and growth.
sensory organs
Senses are physiological capacities of organisms that provide data for perception. The
senses and their operation, classification, and theor
prokaryotes
a microscopic single-celled organism that has neither a distinct nucleus with a membrane nor
other specialized organelles. Prokaryotes inclu
eukaryotes
an organism consisting of a cell or cells in which the genetic material is DNA in the form of
chromosomes contained within a distinct nucleu
skeletal system
the hard structure (bones and cartilages) that provides a frame for the body of an animal