Question

Which of the following is/are true about blood pressure in the human body?
I. This pressure is much greater in arteries than in veins.
II. The pressure of blood during contraction is called diastolic pressure.
III. The normal systolic pressure is about 120 mm of Hg and diastolic pressure is 80 mm of Hg.

A Only III
B Only I and III
C Only II and III
D All of the above
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