One benefit is evolution. If it turns out that one of the specialized cells is better than the other, than over time it will replace the less effective one. If all cells were the same, organisms wouldn't be able to adapt to different environments and evolve.
Another benefit is that with specialized cells, your body is able to become more complex. This complexity can lead to cellular ecosystems in which cells are able to form symbiotic relationships with other cells. For example is us, humans. We are a symbiotic relationship between many different types of cells. Our lungs are able to aid our muscles which in turn aid our strength. Our heart pumps blood that delivers oxygen to other organs and muscles. And Etc.
Medicare Select policies limit the patient to using a certain network of local hospitals. It is a medigap policy that limits your coverage to a network of doctors and hospitals . Medicare Select policies function like an HMO or managed care plan.
George is running a 5-km race and his cells need more oxygen. The change that will help his body meet the increased demand for oxygen is his heart will start beating more quickly. This helps the oxygen get ferried throughout the system faster. The correct answer is A.
