|
This is just the first few lines of the paper. To see the full paper, just
register for an account. It is free and you get
access to thousands of example term papers in our free essay database.
|
Beginning of Paper
How Humans and Fish Obtain Oxygen
We as humans need a way to gather oxygen from our enviroment to survive. In response our body has a system that carries out respiration which is the distrubition of oxygen to the blood and the disposal of the waste product carbon dioxide. In the human breathing process the first step is the breath in. First we open the mouth and expand our lungs to bring in ai ....
|
|
Middle of Paper
.... into the blood cells that need it and in turn diffuse carbon dixoxide out. Diffusion is an easy method for the transfer of oxygen because it dosent take any energy and since the walls of the aveoli are only 1 cell thick it diffuses without any problems. After the oxygen is diffused into your blood it is then used for cellular respiration and many other things. But there is a waste product to this activity which is what we exhale carbon dioxide. Now carbon ....
|
|
ADDITIONAL FEATURED ESSAYS
|
|