what happens when muscular walls of blood vessels contract?
matter vibrating Dehydration Leptospirosis rapid expansion at or near the margins recovery time from fatigue blood pressure rises major threat to health
A B C D E F G H
Constriction raises blood pressure.
muscular walls of blood vessels contracting raises blood pressure
what happens when muscular walls of blood vessels contract? (A) matter vibrating (B) Dehydration (C) Leptospirosis (D) rapid expansion (E) at or near the margins (F) recovery time from fatigue (G) blood pressure rises (H) major threat to health