The right atrium<span> is one of the four chambers of the heart. The heart is comprised of two </span>atria<span> and two ventricles. Blood enters the heart through the two </span>atria<span> and exits through the two ventricles. Deoxygenated blood enters the</span>right atrium<span> through the inferior and superior vena cava</span>
Smaller cells are better than larger cells because they are able to produce, digest, and waste faster. If it's smaller it can go through faster than a larger one because there is less to travel, also because the volume grows faster than the surface area in the cell.
question answered by
(jacemorris04)
Answer:
The answer is mutualism or mutual relationship.
Explanation:
Mutualism is par
Mitosis gives rise to identical new cells
So basically mitosis takes place by splitting the lung cells thereby creating new lung cells and helps to repair the lung