As blood moves away from the heart toward the tissues, the relative size of blood vessels ________, the blood pressure ________, and the velocity of blood flow ________.
A)decreases; drops; slows
B)decreases; increases; increases
C)decreases; drops; increases
D)increases; drops; slows

Question

Quizplus · Accepted Answer

As blood moves away from the heart towards the tissues, the relative size of blood vessels decreases due to branching, and this leads to the blood pressure drop. Also, the velocity of blood flow slows down due to increased resistance from the branching blood vessels.

As Blood Moves Away from the Heart Toward the Tissues