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Muscle Tissues Selective Breeding Burns and Skin Cancer Eye in Color Vision Vascular Nature of Science Disease and Immunity Anatomy and Histology Diseases Central and Peripheral Nervous System Microorganism - Diseases Body Fluids & Circulation Nervous & Endocrine Systems The Cell Cycle & Cancer Muscular System Movements

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Genetics › View

Which body system circulates waste, nutrients, and gases all over the body?

A. circulatory

B. respiratory

C. nervous

D. musculoskeletal

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Bacteria and Viruses › View

Another way in which bacteria are beneficial:

A. they are decomposers

B. they are the powerhouse of cells

C. they contain special DNA

D. they are used to make Diet Coke

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