In vasodilation, proper nerve signals sent to blood vessels cause
A. the release of nitric oxide from endothelial cells
B. relaxation of smooth muscle cells
C. reduced blood pressure
D. All of the above
Answer:D
In vasodilation, proper nerve signals sent to blood vessels cause
A. the release of nitric oxide from endothelial cells B. relaxation of smooth muscle cells C. reduced blood pressure D. All of the above