The two closely allied organ systems that allow for running,swimming and flying under the direction of the nervous system are the:

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The muscular and skeletal systems work closely together to allow for movement in animals, including running, swimming, and flying. The skeletal system provides the rigid structure and support, while the muscular system provides the force and movement. The endocrine system and circulatory system both play important roles in regulating and supporting these systems, but they are not directly responsible for movement.

The Two Closely Allied Organ Systems That Allow for Running,swimming