Circulatory system, Functions, Parts, & Facts

Circulatory system, system that transports nutrients, respiratory gases, and metabolic products throughout a living organism. Circulation includes the intake of metabolic materials, the movement of these materials to and from tissues and organs, and the return of harmful by-products to the environment.

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Circulatory system, Functions, Parts, & Facts

Circulatory System Unit - Reading, Diagrams, Worksheets