Answer:
D) is the answer because it only allows particular molecules to get in and out
B. blood pressure, thats why the doctors say to stay stress free cuz it can kinda kill you.
Its either angioplasty or IABP (Intra aortic balloon pump)
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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