Answer: Bio film that grows on the logs and feeds the lake.
Hemoglobin is found in the red blood cells and are responsible for binding onto oxygen molecules. By binding to the oxygen, it can transport it to through out the body where it is needed.
Its "C"Oxygen because it is used as oxidative phosphorylation
An organism<span> is a living being that has a cellular structure and that can independently perform all physiologic functions necessary for life. In </span>multicellular organisms<span>, including humans, all cells, </span>tissues<span>, </span>organs<span>, and </span>organ<span> systems of the body work together to maintain the life and health of the </span>organism<span>.</span>