basic unit of structure in a living thing
outside boundary of cell
control center of cell
clear jellylike substance containing cell organelles
a group of similar cells
can contract or shorten
directs and controls processes in your body
provides support and connects all parts of the body
tissue on the surface of the body
structure composed of different types of tissues
group of organs that work together to perform a major function
internal environment is kept stable and balanced
reaction of your body to potentially threatening event
framework made up of bones
where 2 or more bones come together
connects bone to bone
flexible connective tissue
hard dense part of bone
open spaces keeps bone lightweight
red and yellow soft connective tissue
body's bones become weak and break easily
not under conscious control
under conscious control
attached to bone for movement
attaches muscle to bone
another name for skeletal muscle
muscle found in internal organs
outer layer of skin
pigment found in skin that determines color
inner layer of skin
where hair growth occurs
uncontrollable cell division
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