What occurs when the muscular walls of blood vessels contract?
Dehydration rapid expansion smooth skin smoking tobacco loose bumping pinched nerves tight sqeezing movement
A B C D E F G H
Cocaine also tightly squeezes, or constricts, the coronary arteries that feed blood to the heart.
Tight squeezing ccurs when the muscular walls of blood vessels contract
What occurs when the muscular walls of blood vessels contract? (A) Dehydration (B) rapid expansion (C) smooth skin (D) smoking tobacco (E) loose bumping (F) pinched nerves (G) tight sqeezing (H) movement