The circulatory system is composed of the heart, blood, and blood vessels; it circulates transport fluid to provide cells with oxygen and nutrients while removing waste products like carbon dioxide and toxic nitrogen compounds.

Authors

• Person: Not available Organization: Britannica
  Human body | Organs, Systems, Structure, Diagram, & Facts

Sources

• Human body | Organs, Systems, Structure, Diagram, & Facts www.britannica.com Britannica via serper

Referenced by nodes (6)

• blood concept
• heart concept
• oxygen concept
• blood vessels concept
• circulatory system concept
• carbon dioxide concept