Multicellular organisms, including humans, have various levels of organization within them. Which of the following is a function of the respiratory system?
Group of answer choices

A. Helps the body move internally and externally

B. Supplies the blood with oxygen and delivers it to all parts of the body

C. Carries waste products away from cells and tissues

D. Breaks down food into smaller molecules for the body's use

B. Supplies the blood with oxygen and delivers it to all parts of the body

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answer///cannot be totally predicted;