Please choose the correct ending to complete the given sentence: Health: [header] How to study intracranial pressure in humans [title] Define intracranial pressure. [step] Intracranial pressure can be high or low. Low intracranial pressure can be caused due to low volume of the cerebrospinal fluid inside the ventricles.

Ending1: This can happen due to a leakage of the cerebrospinal fluid from the ventricles through the meningeal membrane. [title] Study the causes of intracranial pressure. Ending2: [substeps] Low intracranial pressure causes the victim to hold in the fluid, making it more likely that there is more fluid involved. Likewise, low intracranial pressure causes inflamed ventricles. Ending3: That is, there is a high degree of emphasis placed on the blood pressure. However, there are extenuating circumstances, such as ongoing medication therapy, that release immaterial pressure. Ending4: To get to this depth, perform 40 to 75 minutes of physical activity each day. Even walking around a corner or doing some range of motion with your ankles can help with this task.

Answer format: ending1/ending2/ending3/ending4