Prokaryotes are cells without a distinct nucleus.They have genetic material but that material is not enclosed within a membrane. Prokaryotes include bacteria and cyanophytes. The genetic material is a single circular DNA strand and is located within the cytoplasm.
Healthcare providers consider a normal blood pressure reading to be 120/80 or below. However, normal blood pressure can actually fall anywhere in a range from 90/60 to 120/80 -- it's not just one set number. The top number of the blood pressure reading is called the systolic pressure.
What is the normal blood pressure range in adults? Below is a chart of the various blood pressure ranges â afterwards, we go into the details of what it means to you. If you are concerned you might have high blood pressure, see The Signs of High Blood Pressure. First entry is systolic pressure/second diastolic. Optimal blood pressure: 120/80. Normal: 120-129/80-84.