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Cardiovascular System Overview
Next Generation: HS.LS1.2 MS.LS1.3 MS.LS1.3 NGSS

Cardiovascular System Overview

Author: Aaron Mullally
Description:

This lesson will identify the main structures and function of the cardiovascular system as one of the 11 organ systems of the human body.

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Tutorial
TERMS TO KNOW
  • Veins

    A large diameter blood vessel that returns blood to the heart.

  • Venules

    A small diameter blood vessel that returns blood to the heart.

  • Capillaries

    The smallest blood vessel that acts as a zone of diffusion between blood and tissues.

  • Arterioles

    A smaller diameter blood vessel that carries blood away from the heart.

  • Arteries

    A large diameter blood vessel that carries blood away from the heart.

  • Blood Vessels

    Tubes that carry blood to and from the heart and body.

  • Heart

    A muscular pump that pumps blood throughout the body.

  • Cardiovascular System

    A body system composed of the heart and blood vessels that acts to transport blood throughout the body.