Levels Of Biological Organization Biology Worksheets Page 2
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3Cell Membrane (___________)
Lysosomes (___________)
Bladder (___________)
c
The bladder is a hollow, muscular
Lysosomes are organelles that
This organelle is a selectively
organ that collects urine excreted by
contain enzymes to break down and
permeably barrier that controls what
the kidneys before disposal by
remove waste in the cell.
goes in and out of the cell.
urination.
Microtubules (___________)
Mitochondria (___________)
Skin (___________)
The skin is the largest organ of the
Microtubules serve as part of the
integumentary system. It protects the
cell’s system of structural support.
Mitochondria are the site of cellular
underlying muscles, bones, and
They are also involved in the process
respiration in which sugar molecules
organs as well contributing to heat
of cellular division.
are broken down to release energy.
regulation and sensory perception.
Digestive (___________)
Nervous (___________)
Cardiac (___________)
Although digestive systems take
many forms in organisms throughout
Nervous tissue is the main
Coordinated contractions of cardiac
the world, the main function of
component of the brain and spinal
tissue in the heart pump blood
digestion is to break down food so
cord which regulate and control body
throughout the body.
that it can be used for energy by the
functions.
body.
Epithelial (___________)
Skeletal (___________)
Urinary (___________)
The urinary system produces, stores,
Epithelial tissue is located on the very
The skeletal system is a rigid
and eliminates urinary waste.
outside of an organism (i.e. skin) as
framework to which the softer tissues
Through this process, the body is able
well as in the lining of hollow organs
and organs of the body are attached.
to regulate electrolyte balance as well
such as the bladder. Its purposes
It provides protection and structural
as maintain a healthy pH level.
include protection and secretion.
support for the body.
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