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Specialized cell in the circulatory system is the red blood cell. The red blood cell carries oxygen from the lungs to the rest of the body.

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A specialized cell in In the skeletal system is the bone cell (osteoblast), it is the cell that creates the bone. It creates the bone by creating a matrix that then becomes mineralized.

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There is a substance inside the bones called marrow it allows the circulatory system to circulate the red and white blood cells throughout the body, since the red and white blood cells are important for the body to function properly.

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Helps in regulating body temperature

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Removes cell waste

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Brings oxygen, nutrients and hormones to the cells

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Combats infections

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-Allows us to move

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-Protects important organs

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-Provides organisms with their shape

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-Provides structural support

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Circulatory System

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Skeletal System

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System is “a set of connected things or parts forming a complex whole, in particular.”