Basic Human Biology

Cardiovascular System

You may have heard the Cardiovascular system called the circulatory system or blood vascular.

The Cardiovascular Systems consists of:

  • The heart
  • Arteries
  • Veins
  • Capillaries
  • The blood is pumped by the heart and travels throughout the body by the means of arteries, veins, and capillaries.


Not only does the cardiovascular system carry blood to all parts of our body but it also carries and exchanges substances like:
  • Carbon dioxide
  • Nutrients
  • Oxygen
  • Wastes


The blood that is carried through the cardiovascular system is made up of

  • A watery protein fluid known as plasma
  • White blood cells
  • Red blood cells
  • Platelets