The Circulatory System Introduction
The Circulatory System
Introduction
The first system you’ll be examining in this learning package is the circulatory
system. The circulatory system transports substances around our bodies; it delivers
essential nutrients to every one of our cells, and it helps to transport waste products
to waste-disposal sites—the lungs, the skin, and the kidneys.
Introduction
The first system you’ll be examining in this learning package is the circulatory
system. The circulatory system transports substances around our bodies; it delivers
essential nutrients to every one of our cells, and it helps to transport waste products
to waste-disposal sites—the lungs, the skin, and the kidneys.
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