So a tissue is a collection of cells that are
similar or have a similar function, not to be
confused with the tissue you blow you nose with.
Cells are the smallest unit of life and
when a bunch of cells are doing the same thing,
they group together into a tissue. An example
would be that in the heart, which is made of
tissues that make the walls of the heart and other
tissues that pump the blood. An organ is a
collection of multiple tissues and it has a
specific function in the body. So the heart is
responsible for pumping blood through the body and
the heart tissues are the various pieces of the
heart. These pieces of the heart are important,
but can’t pump blood on their own; they need the
help of other tissues to form an organ.
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