Cardiovascular System Guide: Heart Health & Exercise Effects

What are the four parts of the cardiovascular system? Understand how exercise, smoking, and serotonin influence heart health and normal cholesterol ranges.

Listen to your heart

Chemoreceptors in the Cardiovascular System

The cardiovascular system, made up primarily of the heart, blood vessels, and blood, is responsible for distributing oxygenated blood to body cells, and removing metabolic waste from the cells.

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