The aerodynamic shape of the blue sharks allows it to move elegantly through the ocean.
Answer:
Cerebellum
Explanation:
According to my research on studies conducted by various neurologists, I can say that based on the information provided within the question the doctors will likely find Christy's problem in the Cerebellum which is located in the Hindbrain. The Cerebellum is responsible for coordinates voluntary movements such as posture, balance, coordination, and speech, resulting in smooth and balanced muscular activity. A problem with the Cerebellum can impair movements similar to what Christy is experiencing.
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The circulatory aids with the immune system because they provide white-blood cells to help fight with the diseases or sicknesses.
Variations are beneficial for the survival of the species. Populations of organisms fill well-defined places, or niches, in the ecosystem, using their ability to reproduce.However, if some variations were to be present in a few individuals in these populations, there would be some chance for them to survive.