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The ____________________ system is the anatomical system of a species that allows it to move .

The ____________________ system provides the body's means of transforming food to energy .

The ____________________ system is the organ system that produces , stores , and eliminates urine .

The ____________________ system is a system of glands that involve the release of extracellular signaling molecules known as hormones .

The ____________________ system is the organ system that protects the body from damage , comprising the skin and its appendages ( including hair , scales , and nails ) .

The ____________________ system is a network of conduits that carry a clear fluid called lymph .


The ____________________ system is a network of specialized cells that communicate information about an organism's surroundings and itself .

The ____________________ / ____________________ system is an organ system that passes nutrients , gases , hormones , blood cells , nitrogen waste products , etc . to and from cells in the body .

The ____________________ system is the system that allows for the continuation of the human species . This system is different in both males and females :

The ____________________ system is the system that supports us and gives us our shape .

The ____________________ system's function is to allow gas exchange .