what happens when muscular walls of blood vessels contract?
digestion weathering blood pressure rises Dehydration recovery time from fatigue rapid expansion major threat to health respiration
A B C D E F G H
Constriction raises blood pressure.
blood pressure rises when muscular walls of blood vessels conract
what happens when muscular walls of blood vessels contract? (A) digestion (B) weathering (C) blood pressure rises (D) Dehydration (E) recovery time from fatigue (F) rapid expansion (G) major threat to health (H) respiration