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Muscle system. Muscles move bones.

Nervous system. The nervous system activates the muscles to move the bones.

Vascular system. The blood vessels provide oxygen and nutrients to bones ... and, the bones produce the blood cells.

2007-04-08 16:25:51 · answer #1 · answered by Doctor J 7 · 0 0

the vertebrae protect the spinal cord (central nervous system)

red marrow produces erythrocytes (red blood cells), leukocytes (white blood cells), and thrombocytes (platelets) all from stem cells (circulatory and lymphatic systems)

skeletal muscles are attached to bone

the skeleton stores calcium for later use

the skull protects the brain (central nervous system)

the rib cage protects the heart and lungs (cardiovascular and respiratory systems)

2007-04-08 16:00:46 · answer #2 · answered by ? 4 · 1 0

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