Authors
note: this is a 5 paragraph essay to compare and contrast 4 different cells
found in the human body.
Have you ever wondered how many
cells are in a human body? Or what a purpose of a cell really is? A cell is
fascinating, they help with many things such as, carrying oxygen throughout the
body, help heal wounds, fix broken bones, and there is so much more. There is a
cell in the body for everything, there is a cell in/ on everything too. For
instance a bacteria is a cell and bacteria is on everything. Although the human
body had over 100 trillion cells, there are four very important cells that do
very different things.
First of all, what is a cell? What
is the purpose of a cell? “A cell is the basic unit of life” (What is the Purpose of a Cell?). A cell is
meant to help and do almost everything. One cell can’t do it all so there is
trillions of different cells. Cells are small living organisms that are in
everything. Some things are unicellular or are one cell such as bacteria. Other
things are multicellular or are made up of more than one cell. Humans are
multicellular because humans have about 100,000,000,000,000 cells in our body (What is a Cell?). Cells is the basic thing to
life. It is said that life goes the same rate as a cell. Meaninghat cells are living organisms and that if we live from
them that they are in everything. The nutrients from food has cells. Because of
cells we are able to get energy, nutrients, and able to reproduce because the
cell is a life function to help (What is the
Purpose of a Cell?). knowing what a cell is and it purpose, there are
some very important cells that are needed in the body.
Secondly, two of the human cells are
the Microglial cell and a Dendritic cell. Seeing how rare Dendritic cells are,
they were harder to find what they do. The DCs are meant to help bone marrow
and help it grow and stay healthy. Seeing how DCs expand will help the bone
being healthy and strong with the cell expanding and getting stronger. This cell
is to keep nutrients in bone marrow and keep our bones healthy and strong (Wieder). And the Microglial cell is Microglial
cells are cells to control and help control the central nervous system in a
human body. These cells are to protect and help the central nervous system from
any harm, the brain is what controls the system and the cells are meant to help
it and protect it. These are only two of the most important cells in the human
body.
And
lastly, two more important cells are the Osteoclast cell and the Erythrocyte
cell. Erythrocytes or Red Blood Cells make up 99% of all blood cells. Their job
is to carry oxygen throughout the body. The shape of the cell makes it easier
for them to move through gas changes and go through the blood stream better (Liang). Osteoclastes are cells that are meant
to restore bones when something happens to them. They take out everything bad
that could get into a bone and potentially ruin it or break it (The cell biology of osteoclast function).
In conclusion, the human body has
more cells than you could ever believe. The human body has over 100 trillion
cells! Some are more important than others but the four that I believe are the
most important human body cells are Erythrocyte cells for oxygen
throughout the body, Dendritic cells to keep our bone marrow healthy and strong,
Osteoclast cells to repair broken or injured bones, and Microglia cells to help
control the central nervous system. Bacteria consist of one cell; others such
as humans consist of 100 trillion cells.
Bibliography
Liang, Barbara. General Anatomy & Physiology
General Blood. 17 April 2012
<http://www.wisc-online.com/Objects/ViewObject.aspx?ID=AP14604>.
Physiology of
Microglia. 18 November 2011. 19
April 2012 <http://physrev.physiology.org/content/91/2/461.full>.
The cell biology of
osteoclast function. 2000. 18 April
2012 <http://jcs.biologists.org/content/113/3/377.full.pdf>.
What is a Cell? 30 March 2004. 20 April 2012
<http://www.ncbi.nlm.nih.gov/About/primer/genetics_cell.html>.
What is the Purpose
of a Cell? 20 April 2012
<www.ehow.com/facts_5439557_purpose-cell.html>.
Wieder, Eric. ISCT.
May 2003. 17 April 2012
<http://www.celltherapysociety.org/files/PDF/Resources/OnLine_Dendritic_Education_Brochure.pdf>.