The answer is either B or C
Answer:
The skull.
Explanation:
The cerebrospinal fluid is a clear fluid that serves as a nutrient delivey system for the brain, it also removes waste and acts as a cushion surrounding the brain and spinal cord. <em>Its leakage from the nose usually happens when there is a fistula between the dura and the skull base after a trauma.</em> This kind of fractures can lead to meningitis and surgery is needed.
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Answer:
B
Explanation:
Prokaryotic cells do not have a nucleus
Prokaryotic cells lack many membrane-bound organelles thus they have no mitochondria
