Answer:

Skeletal System protects the spinal cord and oxygen.

Skeletal system gives support to the body

Digestive System Provides nutrients for muscles to do work whether it is skeletal.

Respiratory System provides nutrients so bones can go and do work. It Removes carbon dioxide and water that muscle cells produce as a waste product.

Muscular System provides protection for brain impulses sent down through the body from the brain.

The Spinal Cord delivers the messages fron the brain to the rest of the body.

Circulatory System moves oxygen and glucose around the body so the cells can do work.

Explanation:

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