Human Body Systems: Enzymes, Electrolytes & Metabolism

Body systems rely on a balance of electrolytes, enzymes, and hormones like cortisol. Understand fat metabolism, urinary output, and energy system functions.

What Happens to Your Blood Vessels When You Exercise?

Published Aug,14 2017 | By Lauren Liberati

When you exercise, many physiological changes take place to make sure your muscles have enough oxygen to do their job. You blood vessels are able to widen and narrow to redirect the flow of oxygenated blood to your exercising muscles.

In 2009, Lauren Liberati began her career in freelance writing. She is a regular contributor to the Philadelphia Sports Blog, Crossing Broad and various other websites. Liberati is a Registered Nurse in Pennsylvania and New Jersey. Her specialties include cardiology, healthy heart initiatives, heart disease prevention and cardiac diagnostic testing. She also takes a special interest in new medical research.