19. The Blood Vessels
General Blood Vessel Structure
19. The Blood Vessels General Blood Vessel Structure
1PRACTICE PROBLEM
When experiencing stress and anxiety, the body's sympathetic nervous system is activated, releasing stress hormones like epinephrine and norepinephrine from the adrenal glands. These hormones act on the smooth muscles surrounding the blood vessels and cause:
When experiencing stress and anxiety, the body's sympathetic nervous system is activated, releasing stress hormones like epinephrine and norepinephrine from the adrenal glands. These hormones act on the smooth muscles surrounding the blood vessels and cause: