In this system you will find needed materials, such as oxygen and food molecules, being transported to body cells as well as carbon dioxide and
cellular waste being transported away from body cells. You will also see white blood cells being transported around the body to fight off disease
causing pathogens. Which body system is being described?
A Immune
B. Digestive
C. Respiratory
D. Cardiovascular
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In this system you will find needed materials, such as oxygen and food molecules, being transported...
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