Part 1 of Essay
is a very controversial topic in the world today. Some people say the testing hurts animals; although this is true, I believe it also has a positive effect. Animals may be harmed in the testing process, but many are helped. Although many people are opposed to , I believe we should use animals for testing because their ....

Part 2 of Essay
.... disease, and polar bears to study Alzheimer’s disease because they have the same aging patterns as humans with the disease. Also, the physicians and physicians-in-training who perform today's delicate cardiac, ear, eye, pulmonary and brain surgeries must develop the necessary skills before patients' lives are entrusted to their care. Neither computer models, cell cultures nor artificial substances can pose as flesh, muscle, blood, bone and organs working together in the living system. Only a living being ca ....