Respuesta :

27knighl

Answer:

a system of body parts or organs that act together to perform some function the digestive tract. b : a bundle of nerve fibers having a common origin, termination, and function.

Explanation:

Answer:

Tract is the system of body parts , they perform functions together .

Explanation:

A Scientific tract , designed for instruction and entertainment, and adapted to schools, lyceums and families.

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