<span>The atria only receive blood and the ventricles have to pump blood to the lungs or the rest of the body.</span>
Explanation:
Structure:
These are temporary cytoplasmic projections and can appear for sometime and disappear at another. So, these don't have any specific structure.
Function:
These provide help in motility and are also used as a tool for capturing prey and phagocytosis.
Answer:
It regulates temperature, glucose, toxins, blood pressure and ph