+
Blood Vessels

Blood Vessels

Description:

This lesson will classify the various types of blood vessels depending on their structure and function.

(more)
See More
Try a College Course Free

Sophia’s self-paced online courses are a great way to save time and money as you earn credits eligible for transfer to over 2,000 colleges and universities.*

Begin Free Trial
No credit card required

27 Sophia partners guarantee credit transfer.

245 Institutions have accepted or given pre-approval for credit transfer.

* The American Council on Education's College Credit Recommendation Service (ACE Credit®) has evaluated and recommended college credit for 21 of Sophia’s online courses. More than 2,000 colleges and universities consider ACE CREDIT recommendations in determining the applicability to their course and degree programs.

Tutorial
Terms to Know
  • Arteries

    Vessels of the largest diameter that carry blood away from the heart.

  • Arterioles

    Smaller vessels that branch from arteries that carry blood away from the heart.

  • Blood Vessels

    Tubes that transport blood throughout the body.

  • Capillaries

    The smallest vessels that act as zones of diffusion between blood and tissues.

  • Pulse

    The surge of pressure felt in an artery when ventricles of the heart contract.

  • Veins

    Large diameter vessels that return blood back to the heart and contain valves to prevent backflow of blood.

  • Venules

    Small vessels that merge with capillaries to carry blood back to the heart.