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The Cardiovascular System OCR A-level › ViewWhat process will occur at the capillaries to increase blood flow to working muscles during exercise?
A. vasoconstriction
B. vasodilation
C. vaso-open
Vital Signs › View
What is the pulse?
A. Taking oxygen into the body through the lungs.
B. The average body temperature in human beings.
C. Number of heartbeats per minute.