High blood pressure is also known as what disease?

hypertension

Explanation:

High blood pressure, also called hypertension, is blood pressure that is higher than normal. Your blood pressure changes throughout the day based on your activities. Having blood pressure measures consistently above normal may result in a diagnosis of high blood pressure (or hypertension)

Hypertension

Explanation:

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answer(b) keep oxygenated and deoxygenated blood separate;